Eckols, S. (1983). How to design and develop business systems: A practical approach to analysis, design, and implementation. M. Murach.
Παραπομπή σε μορφή Chicago (17η εκδ.)Eckols, Steve. How to Design and Develop Business Systems: A Practical Approach to Analysis, Design, and Implementation. Fresno, Calif.: M. Murach, 1983.
Παραπομπή σε μορφή MLA (9th εκδ.)Eckols, Steve. How to Design and Develop Business Systems: A Practical Approach to Analysis, Design, and Implementation. M. Murach, 1983.
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