Singh, A. (1973). Law of contract (a study of the Contract Act, 1872) and specific relief (Twelfth edition.). Eastern Book Company.
Lua i Stíl Chicago (17ú heag.)Singh, Avtar. Law of Contract (a Study of the Contract Act, 1872) and Specific Relief. Twelfth edition. Lucknow: Eastern Book Company, 1973.
Lua MLA (8ú heag.)Singh, Avtar. Law of Contract (a Study of the Contract Act, 1872) and Specific Relief. Twelfth edition. Eastern Book Company, 1973.
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