Gaya APA

Tobey, J., Harmelling, H. (1980). Study Guide To Accompany : Nanney & Cables Trigonometry . Boston: Allyn And Bacon, Inc..

Gaya MLA

Tobey, John., Harmelling, Henry. "Study Guide To Accompany : Nanney & Cables Trigonometry". Boston: Allyn And Bacon, Inc., 1980. Text.