APA aipamena

Hayen Roger. (2006). SAP R/3 Enterprise Software(photocopy). American: McGraw -Hill.

Chicago Style aipamena

Hayen Roger. SAP R/3 Enterprise Software(photocopy). American: McGraw -Hill, 2006.

MLA aipamena

Hayen Roger. SAP R/3 Enterprise Software(photocopy). American: McGraw -Hill, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.