APA-referens (7:e uppl.)

Patterson, D. W. (1990). Introduction to artificial intelligence and expert systems. Prentice Hall.

Chicago-referens (17:e uppl.)

Patterson, Dan W. Introduction to Artificial Intelligence and Expert Systems. Englewood Cliffs, N.J. ; New Delhi: Prentice Hall, 1990.

MLA-referens (8:e uppl.)

Patterson, Dan W. Introduction to Artificial Intelligence and Expert Systems. Prentice Hall, 1990.