Hauck, W. (1968). Trigonometry review manual. McGraw-Hill.
Cita Chicago (17th ed.)Hauck, William. Trigonometry Review Manual. New York: McGraw-Hill, 1968.
Cita MLA (9th ed.)Hauck, William. Trigonometry Review Manual. McGraw-Hill, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.