APA (7th ed.) Citation

Barrett, D. (1997). SAP R 3, ABAP 4: Command reference. Que.

Chicago Style (17th ed.) Citation

Barrett, Dennis. SAP R 3, ABAP 4: Command Reference. Indianapolis, IN: Que, 1997.

MLA (9th ed.) Citation

Barrett, Dennis. SAP R 3, ABAP 4: Command Reference. Que, 1997.

Warning: These citations may not always be 100% accurate.