Dyfyniad APA

WILLBORN WALTER O. (1994). GLOBAL MANAGEMENT OF QUALITY ASSURANCE SYSTEMS. MCGRAW-HILL.

Dyfyniad Arddull Chicago

WILLBORN WALTER O. GLOBAL MANAGEMENT OF QUALITY ASSURANCE SYSTEMS. NEW YORK: MCGRAW-HILL, 1994.

Dyfyniad MLA

WILLBORN WALTER O. GLOBAL MANAGEMENT OF QUALITY ASSURANCE SYSTEMS. MCGRAW-HILL, 1994.

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