APA استشهاد

Zill, D. G., & Dewar, J. (2007). Precalculus with calculus previews (4th ed.). Jones and Bartlett.

استشهاد بنمط شيكاغو

Zill, Dennis G., و J.M Dewar. Precalculus with Calculus Previews. 4th ed. Boston: Jones and Bartlett, 2007.

MLA استشهاد

Zill, Dennis G., و J.M Dewar. Precalculus with Calculus Previews. 4th ed. Jones and Bartlett, 2007.