APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.