Dyfyniad APA

Katz, R. (1973). A giant in the earth. Stein and Day.

Dyfyniad Arddull Chicago

Katz, Robert. A Giant in the Earth. New York: Stein and Day, 1973.

Dyfyniad MLA

Katz, Robert. A Giant in the Earth. Stein and Day, 1973.

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