Ball, J., Byrnes, F. C., & Adams, J. S. (1960). Research, principles, and practices in visual communication. Department of Audiovisual Instruction National Education Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ball, John, Francis C. Byrnes, και J. Stacy Adams. Research, Principles, and Practices in Visual Communication. Washington, D.C: Department of Audiovisual Instruction National Education Association, 1960.
Παραπομπή σε μορφή MLA (9th εκδ.)Ball, John, et al. Research, Principles, and Practices in Visual Communication. Department of Audiovisual Instruction National Education Association, 1960.
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