Dyfyniad APA

HESTENES, M. D., & HILL, R. O. (1986). Algebra and trigonometry.-- Ed. 2. Prentice hall.

Dyfyniad Arddull Chicago

HESTENES, Marshall D., and Richard O.\ HILL. Algebra and Trigonometry.-- Ed. 2. New Jersey: Prentice hall, 1986.

Dyfyniad MLA

HESTENES, Marshall D., and Richard O.\ HILL. Algebra and Trigonometry.-- Ed. 2. Prentice hall, 1986.

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