Cita APA (7th ed.)
Larson, R. E. (1997). Algebra and Trigonometry: A graphing approach (2a. ed.). Houghton Mifflin Company.
Cita Chicago (17th ed.)
Larson, Roland E. Algebra and Trigonometry: A Graphing Approach. 2a. ed. Boston: Houghton Mifflin Company, 1997.
Cita MLA (9th ed.)
Larson, Roland E. Algebra and Trigonometry: A Graphing Approach. 2a. ed. Houghton Mifflin Company, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.