APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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