APA (7 वां संस्करण) प्रशस्ति पत्र

Sing, A. (2019). Textbook on Law of Contract and Specific Relief (7th ed.). EBC Publishing Pvt. Ltd.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sing, Avtar. Textbook on Law of Contract and Specific Relief. 7th ed. Lucknow: EBC Publishing Pvt. Ltd, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Sing, Avtar. Textbook on Law of Contract and Specific Relief. 7th ed. EBC Publishing Pvt. Ltd, 2019.