Παραπομπή σε μορφή APA (7η εκδ.)

Erwin, J. C. (2004). The classroom of choice: Giving students what they need and getting what you want. Association for Supervision and Curriculum Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

Erwin, Jonathan C. The Classroom of Choice: Giving Students What They Need and Getting What You Want. Association for Supervision and Curriculum Development, 2004.