Sumner, M. (2012). Enterprise Resource Planning. Pearson Education India Pvt. Ltd.
Dyfyniad Arddull ChicagoSumner, Mary. Enterprise Resource Planning. New Delhi: Pearson Education India Pvt. Ltd, 2012.
Dyfyniad MLASumner, Mary. Enterprise Resource Planning. Pearson Education India Pvt. Ltd, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.