Cita APA (7a ed.)

Buck-Emden, R., & Galimow, J. (1997). SAP R/3 system: A client/server technology (Repr.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Buck-Emden, Rüdiger, y Jürgen Galimow. SAP R/3 System: A Client/server Technology. Repr. Harlow [etc.]: Addison-Wesley, 1997.

Cita MLA (9a ed.)

Buck-Emden, Rüdiger, y Jürgen Galimow. SAP R/3 System: A Client/server Technology. Repr. Addison-Wesley, 1997.