Dyfyniad APA

WILBUR, D. A. Compotition: Models and exercise 9. Harcourt.

Dyfyniad Arddull Chicago

WILBUR, Diane A. Compotition: Models and Exercise 9. New York: Harcourt.

Dyfyniad MLA

WILBUR, Diane A. Compotition: Models and Exercise 9. Harcourt.

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