Dyfyniad APA

C, M. D. (1991). An Introduction to quality control (1st edition.). John Wiley.

Dyfyniad Arddull Chicago

C, Montgomary Douglas. An Introduction to Quality Control. 1st edition. New York: John Wiley, 1991.

Dyfyniad MLA

C, Montgomary Douglas. An Introduction to Quality Control. 1st edition. John Wiley, 1991.

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