Singh, A., & Harpreet Kaur. (2006). Introduction to jurisprudence (2nd ed.). Wadhwa and Co. Nagpur.

Singh, Avtar, and Harpreet Kaur. Introduction to Jurisprudence. 2nd ed. New Delhi: Wadhwa and Co. Nagpur, 2006.

Singh, Avtar, and Harpreet Kaur. Introduction to Jurisprudence. 2nd ed. Wadhwa and Co. Nagpur, 2006.