APA-ийн эшлэл(7 дахь хэвлэлт)

SINGH A N. (1993). PREPARATION, IMPLEMENTATION & REGISTRATION OF ISO 9000 QUALITY SYSTEM. DOLPHIN PUBLICATION.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

SINGH A N. PREPARATION, IMPLEMENTATION & REGISTRATION OF ISO 9000 QUALITY SYSTEM. NEW DELHI: DOLPHIN PUBLICATION, 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

SINGH A N. PREPARATION, IMPLEMENTATION & REGISTRATION OF ISO 9000 QUALITY SYSTEM. DOLPHIN PUBLICATION, 1993.