Erwin, J. C. (2004). The classroom of choice: Giving students what they need and getting what you want. Association for Supervision and Curriculum Development.
Čikaški stil citiranja (17. izdanje)Erwin, Jonathan C. The Classroom of Choice: Giving Students What They Need and Getting What You Want. Alexandria, VA: Association for Supervision and Curriculum Development, 2004.
MLA način citiranja (9. izdanje)Erwin, Jonathan C. The Classroom of Choice: Giving Students What They Need and Getting What You Want. Association for Supervision and Curriculum Development, 2004.
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