Παραπομπή σε μορφή APA (7η εκδ.)

Sheldon, D. S., & Penick, J. E. (1991). Favorite labs from outstanding teachers, vol.1. National Association of Biology Teachers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sheldon, Daniel S., και John E. Penick. Favorite Labs from Outstanding Teachers, Vol.1. Reston, VA: National Association of Biology Teachers, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sheldon, Daniel S., και John E. Penick. Favorite Labs from Outstanding Teachers, Vol.1. National Association of Biology Teachers, 1991.