Dyfyniad APA

McNamara, R. S. (1973). One hundred countries, two billion people. New York: Praeger Publishers.

Dyfyniad Arddull Chicago

McNamara, Robert S. One Hundred Countries, Two Billion People. New York: Praeger Publishers, 1973.

Dyfyniad MLA

McNamara, Robert S. One Hundred Countries, Two Billion People. New York: Praeger Publishers, 1973.

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