APA (7th ed.) Zitazioa
Cox, P. R. (1970). Demography (5th ed.). Universal Book Store.
Chicago Style (17th ed.) Zitazioa
Cox, Peter R. Demography. 5th ed. New Delhi: Universal Book Store, 1970.
MLA (9th ed.) Zitazioa
Cox, Peter R. Demography. 5th ed. Universal Book Store, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.