Ayres, F. (1999). Schaum's outline of theory and problems of trigonometry: With calculator-based solutions. McGraw-Hill.
Citace podle Chicago (17th ed.)Ayres, Frank. Schaum's Outline of Theory and Problems of Trigonometry: With Calculator-based Solutions. New York: McGraw-Hill, 1999.
Citace podle MLA (9th ed.)Ayres, Frank. Schaum's Outline of Theory and Problems of Trigonometry: With Calculator-based Solutions. McGraw-Hill, 1999.
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