Dyfyniad APA

Burch, J. G., & Grudnitski, G. (1989). Information systems: Theory and practice (5th ed.). Wiley.

Dyfyniad Arddull Chicago

Burch, John G., and Gary Grudnitski. Information Systems: Theory and Practice. 5th ed. New York: Wiley, 1989.

Dyfyniad MLA

Burch, John G., and Gary Grudnitski. Information Systems: Theory and Practice. 5th ed. Wiley, 1989.

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