APA

Sand L. B., . (1956). Audio-visual procedures in teaching. New York: The Renald press company.

Chicago

Sand Lester Bruton, . 1956. Audio-visual procedures in teaching. New York: The Renald press company.

Harvard

Sand L. B., . (1956). Audio-visual procedures in teaching. New York: The Renald press company.

MLA

Sand Lester Bruton, . Audio-visual procedures in teaching. New York: The Renald press company. 1956.