Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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