APA-referens (7:e uppl.)

Singh, A. (1983). An introduction to the law of contract (2nd ed.). Eastern Book Company.

Chicago-referens (17:e uppl.)

Singh, Avtar. An Introduction to the Law of Contract. 2nd ed. Lucknow: Eastern Book Company, 1983.

MLA-referens (8:e uppl.)

Singh, Avtar. An Introduction to the Law of Contract. 2nd ed. Eastern Book Company, 1983.