Dyfyniad APA

Kirn, E., & Hartmann, P. (2007). Interactions (Silver ed.). New York : McGraw-Hill.

Dyfyniad Arddull Chicago

Kirn, Elaine., và Pamela Hartmann. Interactions. Silver ed. New York : McGraw-Hill, 2007.

Dyfyniad MLA

Kirn, Elaine., và Pamela Hartmann. Interactions. Silver ed. New York : McGraw-Hill, 2007.

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