Singh, A. (2011). Law of sale of goods (7th.). Eastern Book Company.
芝加哥风格引文Singh, Avtar. Law of Sale of Goods. 7th. NEW DELHI: Eastern Book Company, 2011.
MLA引文Singh, Avtar. Law of Sale of Goods. 7th. Eastern Book Company, 2011.
警告：这些引文格式不一定是100％准确.