Whitten, J. L., Bentley, L. D., & Dittman, K. C. (2007). Systems analysis and design methods (7th ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Whitten, Jeffrey L., Lonnie D. Bentley, juo Kevin C. Dittman. Systems Analysis and Design Methods. 7th ed. Boston, MA: McGraw-Hill, 2007.
MLA-čujuhus (9. p.)Whitten, Jeffrey L., et al. Systems Analysis and Design Methods. 7th ed. McGraw-Hill, 2007.
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