APA (7e ed.) Bronvermelding
Fleming, W., & Varberg, D. E. (1989). Precalculus mathematics: A problem-solving approach (2nd ed.). Prentice Hall.
Chicago (17e ed.) Bronvermelding
Fleming, Walter, en Dale E. Varberg. Precalculus Mathematics: A Problem-solving Approach. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1989.
MLA (9e ed.) Bronvermelding
Fleming, Walter, en Dale E. Varberg. Precalculus Mathematics: A Problem-solving Approach. 2nd ed. Prentice Hall, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.