Billstein, R., Libeskind, S., & Lott, J. W. (1997). A problem-solving approach to mathematics for elementary school teachers: Instructor's resource guide (6th ed.). Addison-Wesley.
Citace podle Chicago (17th ed.)Billstein, Rick, Shlomo Libeskind, a Johnny W. Lott. A Problem-solving Approach to Mathematics for Elementary School Teachers: Instructor's Resource Guide. 6th ed. Reading, MA: Addison-Wesley, 1997.
Citace podle MLA (9th ed.)Billstein, Rick, et al. A Problem-solving Approach to Mathematics for Elementary School Teachers: Instructor's Resource Guide. 6th ed. Addison-Wesley, 1997.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..