APA (7 वां संस्करण) प्रशस्ति पत्र

Singh, A. (1999). Company Law (12th.). Eastern Book.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Singh, Avtar. Company Law. 12th. Lucknow: Eastern Book, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Singh, Avtar. Company Law. 12th. Eastern Book, 1999.