DUPREE, H. D. E. (1966). MODERN COLLEGE TRIGONOMETRY. Dickenson Publishing Company.
Chicago Style (17th ed.) CitationDUPREE, HARMON DANIEL E. MODERN COLLEGE TRIGONOMETRY. Dickenson Publishing Company, 1966.
MLA (8th ed.) CitationDUPREE, HARMON DANIEL E. MODERN COLLEGE TRIGONOMETRY. Dickenson Publishing Company, 1966.
Warning: These citations may not always be 100% accurate.