Singh, A. (1983). An introduction to the law of contract (2nd ed.). Eastern Book Company.
Čikaški stil citiranja (17. izdanje)Singh, Avtar. An Introduction to the Law of Contract. 2nd ed. Lucknow: Eastern Book Company, 1983.
MLA način citiranja (8. izdanje)Singh, Avtar. An Introduction to the Law of Contract. 2nd ed. Eastern Book Company, 1983.
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