APA Citation

 Valacich, J. S. (2015).  Essentials of systems analysis and design.  Pearson Educational Limited.

Trích dẫn kiểu Chicago

 Valacich, Joseph S.  Essentials of Systems Analysis and Design.  Pearson Educational Limited, 2015.

MLA Citation

 Valacich, Joseph S.  Essentials of Systems Analysis and Design.  Pearson Educational Limited, 2015.

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