APA (7e ed.) Bronvermelding

Singh , A. (1989). Law of contract (5.). Eastern Book company.

Chicago (17e ed.) Bronvermelding

Singh , Avtar. Law of Contract. 5. Lucknow: Eastern Book company, 1989.

MLA (9e ed.) Bronvermelding

Singh , Avtar. Law of Contract. 5. Eastern Book company, 1989.