Leon, A. (2008). ERP: Demystified (2nd.). Tata McGraw Hill.
Cita Chicago (17th ed.)Leon, Alexis. ERP: Demystified. 2nd. Tata McGraw Hill, 2008.
Cita MLA (9th ed.)Leon, Alexis. ERP: Demystified. 2nd. Tata McGraw Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.