APA (7th ed.) Citation

Hayen, R. (2007). SAP R/3 enterprise software : an introduction / Roger Hayen: An introduction. McGraw-Hill Higher Education.

Chicago Style (17th ed.) Citation

Hayen, Roger. SAP R/3 Enterprise Software : An Introduction / Roger Hayen: An Introduction. New York: McGraw-Hill Higher Education, 2007.

MLA (9th ed.) Citation

Hayen, Roger. SAP R/3 Enterprise Software : An Introduction / Roger Hayen: An Introduction. McGraw-Hill Higher Education, 2007.

Warning: These citations may not always be 100% accurate.