APA-čujuhus (7. p.)
Eckols, S. (1992). How to design and develop business systems: A practical approach to analysis, design and implementation. Galgotia Publ..
Chicago-čujuhus (17. p.)
Eckols, Steve. How to Design and Develop Business Systems: A Practical Approach to Analysis, Design and Implementation. New Delhi: Galgotia Publ., 1992.
MLA-čujuhus (9. p.)
Eckols, Steve. How to Design and Develop Business Systems: A Practical Approach to Analysis, Design and Implementation. Galgotia Publ., 1992.
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