APA(7版)引用形式

Avtar singh. (1977). Sale of Goods (2.). Eastern Book company.

Chicagoスタイル(17版)引用形式

Avtar singh. Sale of Goods. 2. Lucknow: Eastern Book company, 1977.

MLA(9版)引用形式

Avtar singh. Sale of Goods. 2. Eastern Book company, 1977.