Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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