Gaya APA

Liebowitz, J., Salvo, D, A, D. (1989). Structuring expert system : domain, design, and development . Englewood Cliffs, NJ: Prentice-Hall.

Gaya MLA

Liebowitz, Jay., Salvo, Danier, A., De. "Structuring expert system : domain, design, and development". Englewood Cliffs, NJ: Prentice-Hall, 1989. Text.