Cita APA (7th ed.)

Ball, J., Byrnes, F. C., & Adams, J. S. (1960). Research, principles, and practices in visual communication. Department of Audiovisual Instruction National Education Association.

Cita Chicago (17th ed.)

Ball, John, Francis C. Byrnes, i J. Stacy Adams. Research, Principles, and Practices in Visual Communication. Washington, D.C: Department of Audiovisual Instruction National Education Association, 1960.

Cita MLA (9th ed.)

Ball, John, et al. Research, Principles, and Practices in Visual Communication. Department of Audiovisual Instruction National Education Association, 1960.