Dyfyniad APA

Kirn, E., & Hartmann, P. (2002). Interactions (4th ed.). New York: McGraw-Hill/Contemporary.

Dyfyniad Arddull Chicago

Kirn, Elaine., và Pamela Hartmann. Interactions. 4th ed. New York: McGraw-Hill/Contemporary, 2002.

Dyfyniad MLA

Kirn, Elaine., và Pamela Hartmann. Interactions. 4th ed. New York: McGraw-Hill/Contemporary, 2002.

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