Dyfyniad APA

(1972). Industrial engineering. American Institute of Industrial Engineers.

Dyfyniad Arddull Chicago

Industrial Engineering. New York: American Institute of Industrial Engineers, 1972.

Dyfyniad MLA

Industrial Engineering. American Institute of Industrial Engineers, 1972.

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