Hayen. (2007). SAP/R3 enterprise software: An introduction. Boston, Mass.: McGraw-Hill.
Chicago Style CitationHayen. SAP/R3 Enterprise Software: An Introduction. Boston, Mass.: McGraw-Hill, 2007.
MLA CitationHayen. SAP/R3 Enterprise Software: An Introduction. Boston, Mass.: McGraw-Hill, 2007.
Warning: These citations may not always be 100% accurate.