Dyfyniad APA

Wadsworth, H. M., Stephens, K. S., & Godfrey, A. B. (1986). Modern methods for quality control and improvement. John Wiley.

Dyfyniad Arddull Chicago

Wadsworth, Harrison M., Kenneth S. Stephens, and A. Blanton Godfrey. Modern Methods for Quality Control and Improvement. New York: John Wiley, 1986.

Dyfyniad MLA

Wadsworth, Harrison M., et al. Modern Methods for Quality Control and Improvement. John Wiley, 1986.

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