Heineman, E. R. (1950). Plane trigonometry with tables. McGraw-Hill.
Cita Chicago Style (17a ed.)Heineman, E. Richard. Plane Trigonometry with Tables. New York: McGraw-Hill, 1950.
Cita MLA (9a ed.)Heineman, E. Richard. Plane Trigonometry with Tables. McGraw-Hill, 1950.
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