APA aipamena

Caldwell, J. C. (1982). Theory of fertility decline. Academic Press Inc.

Chicago Style aipamena

Caldwell, John C. Theory of Fertility Decline. London: Academic Press Inc, 1982.

MLA aipamena

Caldwell, John C. Theory of Fertility Decline. Academic Press Inc, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.