APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.