Eckols, S. (1992). How to design and develop business systems: A practical approach to analysis, design and implementation. Galgotia Publ..
Čikaški stil citiranja (17. izdanje)Eckols, Steve. How to Design and Develop Business Systems: A Practical Approach to Analysis, Design and Implementation. New Delhi: Galgotia Publ., 1992.
MLA način citiranja (9. izdanje)Eckols, Steve. How to Design and Develop Business Systems: A Practical Approach to Analysis, Design and Implementation. Galgotia Publ., 1992.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.