APA (7th ed.) Citation

Birchall, S. (2006). Invoice verification for SAP R/3. SAP Press.

Chicago Style (17th ed.) Citation

Birchall, Stephen. Invoice Verification for SAP R/3. Boston, MA: SAP Press, 2006.

MLA (8th ed.) Citation

Birchall, Stephen. Invoice Verification for SAP R/3. SAP Press, 2006.

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