APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

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