Gopal، Madan (1990). Gautam (المحرر). India Through the Ages. Publication Division, Ministry of Information and Broadcasting, Government of India. ص. 81. مؤرشف من الأصل في 2022-05-11.
Gopal، Madan (1990). Gautam (المحرر). India Through the Ages. Publication Division, Ministry of Information and Broadcasting, Government of India. ص. 81. مؤرشف من الأصل في 2022-05-11.