Leon Alexis. (2008). erp Demystified. McGrawHill.
Cita Chicago (17th ed.)Leon Alexis. Erp Demystified. New Delhi: McGrawHill, 2008.
Cita MLA (9th ed.)Leon Alexis. Erp Demystified. McGrawHill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.