Cita APA (7th ed.)

Billstein, R., Libeskind, S., & Lott, J. W. (2013). A Problem solving approach to mathematics for elementary school teachers (11th ed. ; International ed.). Pearson.

Cita Chicago (17th ed.)

Billstein, Rick, Shlomo Libeskind, i Johnny W. Lott. A Problem Solving Approach to Mathematics for Elementary School Teachers. 11th ed. ; International ed. Boston: Pearson, 2013.

Cita MLA (9th ed.)

Billstein, Rick, et al. A Problem Solving Approach to Mathematics for Elementary School Teachers. 11th ed. ; International ed. Pearson, 2013.