Galey, M., & Grady, W. F. (1978). Guidelines for certification of media specialist. Association for Educational Communications and Technology.
Chicago-Zitierstil (17. Ausg.)Galey, Minaruth, und William F. Grady. Guidelines for Certification of Media Specialist. Washington, D.C: Association for Educational Communications and Technology, 1978.
MLA-Zitierstil (9. Ausg.)Galey, Minaruth, und William F. Grady. Guidelines for Certification of Media Specialist. Association for Educational Communications and Technology, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.