Sharpe, s. (1998). Ten minute guide to SAP R3. PHI.
Cita Chicago (17th ed.)Sharpe, simon. Ten Minute Guide to SAP R3. New delhi: PHI, 1998.
Cita MLA (9th ed.)Sharpe, simon. Ten Minute Guide to SAP R3. PHI, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.