APA (7th ed.) Citation
Drooyan, I., Hadel, W., & Carico, C. C. (1987). Trigonometry: An analytic approach (5.vyd.). Macmillan Publishing Company.
Chicago Style (17th ed.) Citation
Drooyan, Irving, Walter Hadel, and Charles C. Carico. Trigonometry: An Analytic Approach. 5.vyd. New York: Macmillan Publishing Company, 1987.
MLA (9th ed.) Citation
Drooyan, Irving, et al. Trigonometry: An Analytic Approach. 5.vyd. Macmillan Publishing Company, 1987.
Warning: These citations may not always be 100% accurate.