Billstein, R., Libeskind, S., & Lott, J. W. (1997). A problem-solving approach to mathematics for elementary school teachers: Instructor's solutions manual (6th ed.). Addison-Wesley.
Chicago-Zitierstil (17. Ausg.)Billstein, Rick, Shlomo Libeskind, und Johnny W. Lott. A Problem-solving Approach to Mathematics for Elementary School Teachers: Instructor's Solutions Manual. 6th ed. Reading, MA: Addison-Wesley, 1997.
MLA-Zitierstil (9. Ausg.)Billstein, Rick, et al. A Problem-solving Approach to Mathematics for Elementary School Teachers: Instructor's Solutions Manual. 6th ed. Addison-Wesley, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.