APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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