Cita APA (7th ed.)

Gerlach, V. S. (1971). Teaching and media: A systematic approach. Prentice-Hall.

Cita Chicago (17th ed.)

Gerlach, Vernon S. Teaching and Media: A Systematic Approach. Englewood Cliffs: Prentice-Hall, 1971.

Cita MLA (9th ed.)

Gerlach, Vernon S. Teaching and Media: A Systematic Approach. Prentice-Hall, 1971.