Foley, J. D., Dam, A. V., Feiner, S. K., & Hughes, J. F. (1996). Computer graphics: 2nd ed: Principles and practice. Addison- Wesley.

Foley, James D., Andries Van Dam, Steven K. Feiner, and John F. Hughes. Computer Graphics: 2nd Ed: Principles and Practice. Rading Massachussett: Addison- Wesley, 1996.

Foley, James D., et al. Computer Graphics: 2nd Ed: Principles and Practice. Addison- Wesley, 1996.