Cita APA

Billstein, R. (1993). A problem solving approach to mathematics for elementary school teachers (5th ed.). Addison-Wesley.

Citación estilo Chicago

Billstein, Rick. A Problem Solving Approach to Mathematics for Elementary School Teachers. 5th ed. Reading, Mass: Addison-Wesley, 1993.

Cita MLA

Billstein, Rick. A Problem Solving Approach to Mathematics for Elementary School Teachers. 5th ed. Addison-Wesley, 1993.

Warning: These citations may not always be 100% accurate.