APA-referens

Krulik, S., & Rudnick, J. A. Reasoning and problem solving a handbook for elementary school teachers.

Chicago-stil citat

Krulik, Stephen, och Jesse A. Rudnick. Reasoning and Problem Solving a Handbook for Elementary School Teachers. Boston, Allyn and Bacon.

MLA-referens

Krulik, Stephen, och Jesse A. Rudnick. Reasoning and Problem Solving a Handbook for Elementary School Teachers.