APA aipamena

Hayen Roger. (2006). SAP R/3 Enterprise Software: An Introduction. American: MC Graw Hill.

Chicago Style aipamena

Hayen Roger. SAP R/3 Enterprise Software: An Introduction. American: MC Graw Hill, 2006.

MLA aipamena

Hayen Roger. SAP R/3 Enterprise Software: An Introduction. American: MC Graw Hill, 2006.

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