APA

Bachman J. W., . (1956). How to use audio-visual materials. New York: Association Press.

Chicago

Bachman John W, . 1956. How to use audio-visual materials. New York: Association Press.

Harvard

Bachman J. W., . (1956). How to use audio-visual materials. New York: Association Press.

MLA

Bachman John W, . How to use audio-visual materials. New York: Association Press. 1956.