Cita APA (7th ed.)

Larson, R. (2015). Trigonometry (2nd ed.). Cengage Learning Asia Pte Ltd.

Cita Chicago (17th ed.)

Larson, Ron. Trigonometry. 2nd ed. Singapore: Cengage Learning Asia Pte Ltd, 2015.

Cita MLA (9th ed.)

Larson, Ron. Trigonometry. 2nd ed. Cengage Learning Asia Pte Ltd, 2015.