Dyfyniad APA

Pigford, D., & .Baur, G. R. (1990). Expert systems for business: Concepts and applications : featuring VP-Expert. Boyd & Fraser Pub. Co..

Dyfyniad Arddull Chicago

Pigford, Darleen, and Gregory R. .Baur. Expert Systems for Business: Concepts and Applications : Featuring VP-Expert. Boston: Boyd & Fraser Pub. Co., 1990.

Dyfyniad MLA

Pigford, Darleen, and Gregory R. .Baur. Expert Systems for Business: Concepts and Applications : Featuring VP-Expert. Boyd & Fraser Pub. Co., 1990.

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