Dyfyniad APA

William J. Stevenson. (2007). Operations management. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

William J. Stevenson. Operations Management. New York: McGraw-Hill, 2007.

Dyfyniad MLA

William J. Stevenson. Operations Management. New York: McGraw-Hill, 2007.

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