APA (7 वां संस्करण) प्रशस्ति पत्र

Singh, A. (2000). Principles of the Law of Sale of Goods and Hire Purchase: (Sale of Goods Act, 1930; Hire-Purchase Act, 1972) (5th ed.). Eastern Book Co..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Singh, Avtar. Principles of the Law of Sale of Goods and Hire Purchase: (Sale of Goods Act, 1930; Hire-Purchase Act, 1972). 5th ed. Lucknow: Eastern Book Co., 2000.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Singh, Avtar. Principles of the Law of Sale of Goods and Hire Purchase: (Sale of Goods Act, 1930; Hire-Purchase Act, 1972). 5th ed. Eastern Book Co., 2000.

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