Παραπομπή σε μορφή APA (7η εκδ.)

Billstein, R., Libeskind, S., & Lott, J. W. (1996). A problem solving approach to mathematics for elementary school teachers (6th ed.). Addison-Wesley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Billstein, Rick, Shlomo Libeskind, και Johnny W. Lott. A Problem Solving Approach to Mathematics for Elementary School Teachers. 6th ed. Menlo Park, California: Addison-Wesley, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Billstein, Rick, et al. A Problem Solving Approach to Mathematics for Elementary School Teachers. 6th ed. Addison-Wesley, 1996.