Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.