APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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