APA

(1993). Population and development planning : proceedings of the United Nations International Symposium on Population and Development Planning : Riga, Latvian Soviet Socialist Republic, 4-8 December 1989. : United Nations, Dept. of Economic and Social Development, New York.

Chicago

1993. Population and development planning : proceedings of the United Nations International Symposium on Population and Development Planning : Riga, Latvian Soviet Socialist Republic, 4-8 December 1989. : United Nations, Dept. of Economic and Social Development, New York.

Harvard

(1993). Population and development planning : proceedings of the United Nations International Symposium on Population and Development Planning : Riga, Latvian Soviet Socialist Republic, 4-8 December 1989. : United Nations, Dept. of Economic and Social Development, New York.

MLA

Population and development planning : proceedings of the United Nations International Symposium on Population and Development Planning : Riga, Latvian Soviet Socialist Republic, 4-8 December 1989. : United Nations, Dept. of Economic and Social Development, New York. 1993.