Citazione APA

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

Stile di citazione Chicago

Zill, Dennis G., e Jacqueline M. Dewar. Precalculus: With Calculus Previews. 4th ed. Massachusetts: Jones and Bartlett, 2007.

Citazione MLA

Zill, Dennis G., e Jacqueline M. Dewar. Precalculus: With Calculus Previews. 4th ed. Jones and Bartlett, 2007.