Ball, J., Byrnes, F. C., & Adams, J. S. (1960). Research, principles, and practices in visual communication. Department of Audiovisual Instruction National Education Association.
Dyfyniad Arddull ChicagoBall, John, Francis C. Byrnes, and J. Stacy Adams. Research, Principles, and Practices in Visual Communication. Washington, D.C: Department of Audiovisual Instruction National Education Association, 1960.
Dyfyniad MLABall, John, et al. Research, Principles, and Practices in Visual Communication. Department of Audiovisual Instruction National Education Association, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.