Lua APA (7ú heag.)
Whitten, J. L., & Bentley, L. D. (2001). Systems analysis and design methods (5th ed.). Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Whitten, Jeffrey L., agus Lonnie D/Dittman Bentley. Systems Analysis and Design Methods. 5th ed. New Delhi: Tata McGraw-Hill, 2001.
Lua MLA (9ú heag.)
Whitten, Jeffrey L., agus Lonnie D/Dittman Bentley. Systems Analysis and Design Methods. 5th ed. Tata McGraw-Hill, 2001.
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