Dyfyniad APA

Peel, J., & Potts, M. (1969). Textbook of contraceptive practice. Cambridge University Press.

Dyfyniad Arddull Chicago

Peel, John, and Malcolm Potts. Textbook of Contraceptive Practice. London: Cambridge University Press, 1969.

Dyfyniad MLA

Peel, John, and Malcolm Potts. Textbook of Contraceptive Practice. Cambridge University Press, 1969.

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