APA aipamena

Avtar Singh. (1980). Law of contract (3rd ed.). Eastern book company.

Chicago Style aipamena

Avtar Singh. Law of Contract. 3rd ed. Lucknow: Eastern book company, 1980.

MLA aipamena

Avtar Singh. Law of Contract. 3rd ed. Eastern book company, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.