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.
Let op: Deze citaties zijn niet altijd 100% accuraat.