APA aipamena

DUPREE, H. D. E. (1966). MODERN COLLEGE TRIGONOMETRY. Dickenson Publishing Company.

Chicago Style aipamena

DUPREE, HARMON DANIEL E. MODERN COLLEGE TRIGONOMETRY. Dickenson Publishing Company, 1966.

MLA aipamena

DUPREE, HARMON DANIEL E. MODERN COLLEGE TRIGONOMETRY. Dickenson Publishing Company, 1966.