APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.