Valacich, J. S. (2015). Essentials of systems analysis and design. Pearson Educational Limited.
Chicago-стиль цитированияValacich, Joseph S. Essentials of Systems Analysis and Design. Pearson Educational Limited, 2015.
MLA-цитированиеValacich, Joseph S. Essentials of Systems Analysis and Design. Pearson Educational Limited, 2015.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.