Dyfyniad APA

Himes, N. E., Dickinson, R. L., & Guttmacher, A. F. (1963). Medical history of contraception. Gamut Press.

Dyfyniad Arddull Chicago

Himes, Norman Edwin, Robert Latou Dickinson, and Alan F. Guttmacher. Medical History of Contraception. New York: Gamut Press, 1963.

Dyfyniad MLA

Himes, Norman Edwin, et al. Medical History of Contraception. Gamut Press, 1963.

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