Davis, H. A. a. C. (1933). Brief course in plane and sperical trigonometry. American Book.
Chicago Style (17. basım) AtıfDavis, H. A. and Chambers. Brief Course in Plane and Sperical Trigonometry. New ork: American Book, 1933.
MLA (9th ed.) AtıfDavis, H. A. and Chambers. Brief Course in Plane and Sperical Trigonometry. American Book, 1933.
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