Galey, M., & Grady, W. F. (1978). Guidelines for certification of media specialist. Association for Educational Communications and Technology.
Citace podle Chicago (17th ed.)Galey, Minaruth, a William F. Grady. Guidelines for Certification of Media Specialist. Washington, D.C: Association for Educational Communications and Technology, 1978.
Citace podle MLA (9th ed.)Galey, Minaruth, a William F. Grady. Guidelines for Certification of Media Specialist. Association for Educational Communications and Technology, 1978.
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