Dyfyniad APA

Duncan, A. J. (1986). Quality control and industrial statistics (5th ed.). Irwin.

Dyfyniad Arddull Chicago

Duncan, Acheson J. Quality Control and Industrial Statistics. 5th ed. Illinois: Irwin, 1986.

Dyfyniad MLA

Duncan, Acheson J. Quality Control and Industrial Statistics. 5th ed. Irwin, 1986.

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