APA-čujuhus (7. p.)
Whitten, J. L., Barlow, V. M., & Bentley, L. D. (1989). Systems analysis & design methods (2nd ed.). Irwin.
Chicago-čujuhus (17. p.)
Whitten, Jeffrey L., Victor M. Barlow, juo Lonnie D. Bentley. Systems Analysis & Design Methods. 2nd ed. Homewood, IL: Irwin, 1989.
MLA-čujuhus (9. p.)
Whitten, Jeffrey L., et al. Systems Analysis & Design Methods. 2nd ed. Irwin, 1989.
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