Cita APA (7th ed.)

Singh Avtar. (1999). Introduction to law of Contract (3.). Eastern Book company.

Cita Chicago (17th ed.)

Singh Avtar. Introduction to Law of Contract. 3. Lucknow: Eastern Book company, 1999.

Cita MLA (9th ed.)

Singh Avtar. Introduction to Law of Contract. 3. Eastern Book company, 1999.