Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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