Singh, A. (1973). Law of contract (a study of the Contract Act, 1872) and specific relief (Twelfth edition.). Eastern Book Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Avtar. Law of Contract (a Study of the Contract Act, 1872) and Specific Relief. Twelfth edition. Lucknow: Eastern Book Company, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSingh, Avtar. Law of Contract (a Study of the Contract Act, 1872) and Specific Relief. Twelfth edition. Eastern Book Company, 1973.
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