Gerlach, V. S., & Ely, D. P. (1971). Teaching and media a systematic approach. New Jersey: Prentice-Hall.
Chicago Style CitationGerlach, Vernon S., and Donald P. Ely. Teaching and Media a Systematic Approach. New Jersey: Prentice-Hall, 1971.
MLA CitationGerlach, Vernon S., and Donald P. Ely. Teaching and Media a Systematic Approach. New Jersey: Prentice-Hall, 1971.
Warning: These citations may not always be 100% accurate.