APA (7th ed.) Citation

Beerel, A. (1993). Expert systems in business. Ellis Horwood.

Chicago Style (17th ed.) Citation

Beerel, Annabel. Expert Systems in Business. New York: Ellis Horwood, 1993.

MLA (9th ed.) Citation

Beerel, Annabel. Expert Systems in Business. Ellis Horwood, 1993.