APA-čujuhus (7. p.)
Andersen Consulting & Flaatten, P. O. (1989). Foundations of business systems. Dryden Press.
Chicago-čujuhus (17. p.)
Andersen Consulting juo Per O. Flaatten. Foundations of Business Systems. Chicago: Dryden Press, 1989.
MLA-čujuhus (9. p.)
Andersen Consulting juo Per O. Flaatten. Foundations of Business Systems. Dryden Press, 1989.
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