APA (7e ed.) Bronvermelding

Billstein, R., Libeskind, S., & Lott, J. W. (2007). Mat 156, Mat 157: A problem solving approach to mathematics for elementary school teachers (9th ed.). Pearson Custom Pub.

Chicago (17e ed.) Bronvermelding

Billstein, Rick, Shlomo Libeskind, en Johnny W. Lott. Mat 156, Mat 157: A Problem Solving Approach to Mathematics for Elementary School Teachers. 9th ed. Boston, Mass: Pearson Custom Pub, 2007.

MLA (9e ed.) Bronvermelding

Billstein, Rick, et al. Mat 156, Mat 157: A Problem Solving Approach to Mathematics for Elementary School Teachers. 9th ed. Pearson Custom Pub, 2007.