APA (7th ed.) Citation

Pigford, D. V., & Baur, G. (1990). Expert systems for business: Concepts and applications ; featuring VP-Expert. boyd & fraser.

Chicago Style (17th ed.) Citation

Pigford, Darleen V., and Greg Baur. Expert Systems for Business: Concepts and Applications ; Featuring VP-Expert. Boston, MA: boyd & fraser, 1990.

MLA (9th ed.) Citation

Pigford, Darleen V., and Greg Baur. Expert Systems for Business: Concepts and Applications ; Featuring VP-Expert. boyd & fraser, 1990.