Moyer, R. E., & Ayres, F. (2009). Schaum's outline trigonometry: With calculator-based solutions (4th ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Moyer, Robert E., a Frank Ayres. Schaum's Outline Trigonometry: With Calculator-based Solutions. 4th ed. New York: McGraw-Hill, 2009.
Citace podle MLA (9th ed.)Moyer, Robert E., a Frank Ayres. Schaum's Outline Trigonometry: With Calculator-based Solutions. 4th ed. McGraw-Hill, 2009.
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