APA-ийн эшлэл(7 дахь хэвлэлт)

CHANDRA DURGESH. (1991). QUALITY CIRCLES: GROWING BIG THROUGH SMALL GROUP. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

CHANDRA DURGESH. QUALITY CIRCLES: GROWING BIG THROUGH SMALL GROUP. DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

CHANDRA DURGESH. QUALITY CIRCLES: GROWING BIG THROUGH SMALL GROUP. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1991.