APA (7th ed.) Zitazioa

(1988). The state of population theory: forward from: Malthus. Basil Blackwell.

Chicago Style (17th ed.) Zitazioa

The State of Population Theory: Forward from: Malthus. New York: Basil Blackwell, 1988.

MLA (9th ed.) Zitazioa

The State of Population Theory: Forward from: Malthus. Basil Blackwell, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.