Avtar singh. (1977). Sale of Goods (2.). Eastern Book company.
Chicago Style (17th ed.) CitationAvtar singh. Sale of Goods. 2. Lucknow: Eastern Book company, 1977.
MLA引文Avtar singh. Sale of Goods. 2. Eastern Book company, 1977.
警告：這些引文格式不一定是100％准確.