APA (7th ed.) Citation

Matzke, B. (2001). ABAP/4: Programming the SAP R/3 system (2.ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Matzke, Bernd. ABAP/4: Programming the SAP R/3 System. 2.ed. Harlow [u.a.]: Addison-Wesley, 2001.

MLA (9th ed.) Citation

Matzke, Bernd. ABAP/4: Programming the SAP R/3 System. 2.ed. Addison-Wesley, 2001.