APA
Dale E., . (1959). Audio-visual methods in teaching. New York: Henry Holt And Company.
Chicago
Dale Edgar, . 1959. Audio-visual methods in teaching. New York: Henry Holt And Company.
Harvard
Dale E., . (1959). Audio-visual methods in teaching. New York: Henry Holt And Company.
MLA
Dale Edgar, . Audio-visual methods in teaching. New York: Henry Holt And Company. 1959.