Dyfyniad APA

Cohen, D. (1993). Algebra and trigonometry (3rd ed.). West Pub. Co..

Dyfyniad Arddull Chicago

Cohen, David. Algebra and Trigonometry. 3rd ed. Minneapolis/St. Paul: West Pub. Co., 1993.

Dyfyniad MLA

Cohen, David. Algebra and Trigonometry. 3rd ed. West Pub. Co., 1993.

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