Gordon, G. N. (1972). Videocassette technology in American education. Educational Technology.
Cita Chicago (17th ed.)Gordon, George N. Videocassette Technology in American Education. New Jersey: Educational Technology, 1972.
Cita MLA (9th ed.)Gordon, George N. Videocassette Technology in American Education. Educational Technology, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.