APA-ийн эшлэл(7 дахь хэвлэлт)

SINGJ AVTAR. (2000). PRINCIPLES OF THE LAW OF SALE OF GOODS AND HIRE PURCHASE. EASTERN BOOK.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

SINGJ AVTAR. PRINCIPLES OF THE LAW OF SALE OF GOODS AND HIRE PURCHASE. LUCKNOW: EASTERN BOOK, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

SINGJ AVTAR. PRINCIPLES OF THE LAW OF SALE OF GOODS AND HIRE PURCHASE. EASTERN BOOK, 2000.