Cita APA (7a ed.)

Alty, J., & Coombs, M. (1984). Expert systems concepts and examples (1a ed.). [s.n.].

Cita Chicago Style (17a ed.)

Alty, J.L, y M.J Coombs. Expert Systems Concepts and Examples. 1a ed. Oxford: [s.n.], 1984.

Cita MLA (9a ed.)

Alty, J.L, y M.J Coombs. Expert Systems Concepts and Examples. 1a ed. [s.n.], 1984.