Shelly, G. B. (1991). Systems analysis and design. Boston, MA: Boyd & fraser publishing company.
Chicago Style CitationShelly, Gary B. Systems Analysis and Design. Boston, MA: Boyd & fraser publishing company, 1991.
MLA CitationShelly, Gary B. Systems Analysis and Design. Boston, MA: Boyd & fraser publishing company, 1991.
Warning: These citations may not always be 100% accurate.