APA (7e ed.) Bronvermelding

Krulik, S., Rudnick, J. A., & Milou, E. (2003). Teaching mathematics in middle school: A practical guide. Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

Krulik, Stephen, Jesse A. Rudnick, en Eric Milou. Teaching Mathematics in Middle School: A Practical Guide. Boston: Allyn and Bacon, 2003.

MLA (9e ed.) Bronvermelding

Krulik, Stephen, et al. Teaching Mathematics in Middle School: A Practical Guide. Allyn and Bacon, 2003.