APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.