Παραπομπή APA

Keller, G., Teufel, T., & Weinland, A. (1998). SAP R/3 process-oriented implementation: Iterative process prototyping. Harlow, England ; Reading, Ma.: Addison Wesley Longman.

Παραπομπή Chicago Style

Keller, Gerhard., T. Teufel, and Audrey Weinland. SAP R/3 Process-oriented Implementation: Iterative Process Prototyping. Harlow, England ; Reading, Ma.: Addison Wesley Longman, 1998.

Παραπομπή MLA

Keller, Gerhard., T. Teufel, and Audrey Weinland. SAP R/3 Process-oriented Implementation: Iterative Process Prototyping. Harlow, England ; Reading, Ma.: Addison Wesley Longman, 1998.

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