Dyfyniad APA

Willborn, W., & Edwincheng, T. (1994). Global management of quality assurance system. McGraw Hill.

Dyfyniad Arddull Chicago

Willborn, Walter, and T.C Edwincheng. Global Management of Quality Assurance System. New York: McGraw Hill, 1994.

Dyfyniad MLA

Willborn, Walter, and T.C Edwincheng. Global Management of Quality Assurance System. McGraw Hill, 1994.

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