PALMER, C. I. &. o. (1980). Plane and spherical trigonometry. McGraw-Hill.
Chicago Style (17. basım) AtıfPALMER, Claude Irwin & others. Plane and Spherical Trigonometry. New York: McGraw-Hill, 1980.
MLA (9th ed.) AtıfPALMER, Claude Irwin & others. Plane and Spherical Trigonometry. McGraw-Hill, 1980.
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