Keedy, M. L., & Bittinger, M. L. (1978). Algebra and trigonometry: A functions aproach (2nd ed.). Addison-Wesley Pub. Co..
Chicago (17e ed.) BronvermeldingKeedy, Mervin Laverne, en Marvin L. Bittinger. Algebra and Trigonometry: A Functions Aproach. 2nd ed. Reading, Mass.: Addison-Wesley Pub. Co., 1978.
MLA (9e ed.) BronvermeldingKeedy, Mervin Laverne, en Marvin L. Bittinger. Algebra and Trigonometry: A Functions Aproach. 2nd ed. Addison-Wesley Pub. Co., 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.