APA-ийн эшлэл(7 дахь хэвлэлт)

NAIN ASHOK. (1997). PROFESSIONAL VALUATION PRACTICE. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

NAIN ASHOK. PROFESSIONAL VALUATION PRACTICE. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1997.

MLA -ийн эшлэл (9 дэх хэвлэлт)

NAIN ASHOK. PROFESSIONAL VALUATION PRACTICE. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1997.