Dyfyniad APA

Heizer, J. (2009). Operations Management (12th.). Pearson.

Dyfyniad Arddull Chicago

Heizer, Jay. Operations Management. 12th. New Delhi: Pearson, 2009.

Dyfyniad MLA

Heizer, Jay. Operations Management. 12th. Pearson, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.