APA (7. basım) Alıntı

Herr, T., & Johnson, K. (1994). Problem solving strategies: Teacher's resource book and answer key. Key Curriculum Press.

Chicago Style (17. basım) Atıf

Herr, Ted, ve Ken Johnson. Problem Solving Strategies: Teacher's Resource Book and Answer Key. Berkeley, Calif: Key Curriculum Press, 1994.

MLA (9th ed.) Atıf

Herr, Ted, ve Ken Johnson. Problem Solving Strategies: Teacher's Resource Book and Answer Key. Key Curriculum Press, 1994.