Dyfyniad APA

Handler, P. (1970). Biology and the future of man. Oxford University Press.

Dyfyniad Arddull Chicago

Handler, Philip. Biology and the Future of Man. New York: Oxford University Press, 1970.

Dyfyniad MLA

Handler, Philip. Biology and the Future of Man. Oxford University Press, 1970.

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