APA aipamena

Livi Bacci, M. (1971). A century of Portuguese fertility. Princeton University Press.

Chicago Style aipamena

Livi Bacci, Massimo. A Century of Portuguese Fertility. Princeton, N.J: Princeton University Press, 1971.

MLA aipamena

Livi Bacci, Massimo. A Century of Portuguese Fertility. Princeton University Press, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.