Cita APA (7th ed.)

Moyer, R. E., & Ayres, F. (2009). Schaum's outline trigonometry: With calculator-based solutions (4th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Moyer, Robert E., i Frank Ayres. Schaum's Outline Trigonometry: With Calculator-based Solutions. 4th ed. New York: McGraw-Hill, 2009.

Cita MLA (9th ed.)

Moyer, Robert E., i Frank Ayres. Schaum's Outline Trigonometry: With Calculator-based Solutions. 4th ed. McGraw-Hill, 2009.