APA
Dale E., . (1969). Audio visual methods in teaching. HINSDALE: Dryden Press.
Chicago
Dale Edgar, . 1969. Audio visual methods in teaching. HINSDALE: Dryden Press.
Harvard
Dale E., . (1969). Audio visual methods in teaching. HINSDALE: Dryden Press.
MLA
Dale Edgar, . Audio visual methods in teaching. HINSDALE: Dryden Press. 1969.