Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.