Sumner, M. (2014). Enterprise resource planning (First edition, Pearson new international edition.). Pearson.
Cita Chicago Style (17a ed.)Sumner, Mary. Enterprise Resource Planning. First edition, Pearson new international edition. Harlow, Essex, England: Pearson, 2014.
Cita MLA (8a ed.)Sumner, Mary. Enterprise Resource Planning. First edition, Pearson new international edition. Pearson, 2014.
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