Cita APA

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

Chicago Edition Citation

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

Cita MLA

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