Dyfyniad APA

Besterfield, D. H., & Dale H. Besterfield. Quality control. Upper Saddle River, N.J: Pearson/Prentice Hall.

Dyfyniad Arddull Chicago

Besterfield, Dale H., và Dale H. Besterfield. Quality Control. Upper Saddle River, N.J: Pearson/Prentice Hall.

Dyfyniad MLA

Besterfield, Dale H., và Dale H. Besterfield. Quality Control. Upper Saddle River, N.J: Pearson/Prentice Hall.

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