Dent, E. C. (1937). The audio-visual handbook. [Society for visual education].
Citación estilo ChicagoDent, Ellsworth C. The Audio-visual Handbook. [Chicago]: [Society for visual education], 1937.
Cita MLADent, Ellsworth C. The Audio-visual Handbook. [Society for visual education], 1937.
Warning: These citations may not always be 100% accurate.