Moyer, R., & Ayres, F. (2013). Schaum's outline of trigonometry (Fifth edition.). McGraw-Hill.
Cita Chicago (17th ed.)Moyer, Robert, i Frank Ayres. Schaum's Outline of Trigonometry. Fifth edition. New York: McGraw-Hill, 2013.
Cita MLA (9th ed.)Moyer, Robert, i Frank Ayres. Schaum's Outline of Trigonometry. Fifth edition. McGraw-Hill, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.