LEON ALEXIS. (2009). ERP DEMYSTIFIED (2ND.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-viite (17. p.)LEON ALEXIS. ERP DEMYSTIFIED. 2ND. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.
MLA-viite (9. p.)LEON ALEXIS. ERP DEMYSTIFIED. 2ND. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2009.
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