Duda, R. O., Hart, P. E., & Stork, D. G. (2001). Pattern classification.-2nd ed (2nd ed.). Wiley.

Duda, Richard O., Peter E. Hart, and David G. Stork. Pattern Classification.-2nd Ed. 2nd ed. New York: Wiley, 2001.

Duda, Richard O., et al. Pattern Classification.-2nd Ed. 2nd ed. Wiley, 2001.