Sumner, M. (2012). Enterprise Resource Planning. Pearson Education India Pvt. Ltd.
Citazione stile Chigago Style (17a edizione)Sumner, Mary. Enterprise Resource Planning. New Delhi: Pearson Education India Pvt. Ltd, 2012.
Citatione MLA (9a ed.)Sumner, Mary. Enterprise Resource Planning. Pearson Education India Pvt. Ltd, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.