- Libro electrónicoThe 1990 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1991 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2010 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2002 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1992 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1993 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2003 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1992 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1995 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2002 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1999 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1990 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1995 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2009 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2004 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1997 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1993 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1994 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2010 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2001 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1999 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2003 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2001 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1997 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1996 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1991 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 2004 CIA World FactbookUnited States. Central Intelligence Agency
- Libro electrónicoThe 1994 CIA World FactbookUnited States. Central Intelligence Agency