APA (7th ed.) Zitazioa

Nowlan, R. A. (1978). Lessons in college algebra and trigonometry. Harper & Row.

Chicago Style (17th ed.) Zitazioa

Nowlan, Robert A. Lessons in College Algebra and Trigonometry. New York: Harper & Row, 1978.

MLA (9th ed.) Zitazioa

Nowlan, Robert A. Lessons in College Algebra and Trigonometry. Harper & Row, 1978.