Prabhakar Upadhyay. (2007). Minerals and mining in ancient India. Kala Prakasan.
Chicago Edition CitationPrabhakar Upadhyay. Minerals and Mining in Ancient India. Varanasi: Kala Prakasan, 2007.
Cita MLAPrabhakar Upadhyay. Minerals and Mining in Ancient India. Kala Prakasan, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.