Cita APA

Gerlach, V. S., & Ely, D. P. (1971). Teaching and media a systematic approach. New Jersey: Prentice-Hall.

Citación estilo Chicago

Gerlach, Vernon S., y Donald P. Ely. Teaching and Media a Systematic Approach. New Jersey: Prentice-Hall, 1971.

Cita MLA

Gerlach, Vernon S., y Donald P. Ely. Teaching and Media a Systematic Approach. New Jersey: Prentice-Hall, 1971.