Dyfyniad APA

(1983). Readings for writers (4th ed.). Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

Readings for Writers. 4th ed. New York: Harcourt Brace Jovanovich, 1983.

Dyfyniad MLA

Readings for Writers. 4th ed. Harcourt Brace Jovanovich, 1983.

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