Dyfyniad APA

Katz, F. (2004). The ancient American civilizations. Castle Books.

Dyfyniad Arddull Chicago

Katz, Friedrich. The Ancient American Civilizations. Edison, New Jersey: Castle Books, 2004.

Dyfyniad MLA

Katz, Friedrich. The Ancient American Civilizations. Castle Books, 2004.

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