APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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