APA

Wittich W. A., Schuller C. F., . (1962). Audiovisual materials : their nature and use. New York: Harper & Row.

Chicago

Wittich Walter Arno, Schuller Charles Francis, . 1962. Audiovisual materials : their nature and use. New York: Harper & Row.

Harvard

Wittich W. A., Schuller C. F., . (1962). Audiovisual materials : their nature and use. New York: Harper & Row.

MLA

Wittich Walter Arno, Schuller Charles Francis, . Audiovisual materials : their nature and use. New York: Harper & Row. 1962.