Singh, A. (1973). Law of contract (a study of the Contract Act, 1872) and specific relief (Twelfth edition.). Eastern Book Company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Singh, Avtar. Law of Contract (a Study of the Contract Act, 1872) and Specific Relief. Twelfth edition. Lucknow: Eastern Book Company, 1973.
Παραπομπή σε μορφή MLA (8th εκδ.)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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