Παραπομπή σε μορφή APA (7η εκδ.)

United Nations. Dept. of Economic and Social Affairs. (1991). The sex and age distributions of population: The 1990 revision of the United Nations global population estimates and projections. United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United Nations. Dept. of Economic and Social Affairs. The Sex and Age Distributions of Population: The 1990 Revision of the United Nations Global Population Estimates and Projections. New York: United Nations, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

United Nations. Dept. of Economic and Social Affairs. The Sex and Age Distributions of Population: The 1990 Revision of the United Nations Global Population Estimates and Projections. United Nations, 1991.