%0 Book %A Whitten, Jeffrey L. %E Bentley, Lonnie D. %E Dittman, Kevin C. %I McGraw-Hill Irwin %D 2004 %C Boston %@ 0072474173 (alk. paper) %@ 0071215212 (international : alk. paper) %T Systems analysis and design methods Jeffery [i.e.Jeffrey] L. Whitten, Lonnie D. Bentley, Kevin C. Dittman.. %7 6th ed..