Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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