Παραπομπή σε μορφή APA (7η εκδ.)

Hammerman, D. R., Hammerman, W. M., & Hammerman, E. L. (2001). Teaching in the outdoors (5th ed.). Interstate Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hammerman, Donald R., William M. Hammerman, και Elizabeth L. Hammerman. Teaching in the Outdoors. 5th ed. Danville, Ill.: Interstate Publishers, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hammerman, Donald R., et al. Teaching in the Outdoors. 5th ed. Interstate Publishers, 2001.