Cita APA (7th ed.)

(1983). Manual X: Indirect techniques for demographic estima-tion. United Nations.

Cita Chicago (17th ed.)

Manual X: Indirect Techniques for Demographic Estima-tion. New York: United Nations, 1983.

Cita MLA (9th ed.)

Manual X: Indirect Techniques for Demographic Estima-tion. United Nations, 1983.