Singh, N. P. (1980). East India Company's Monopoly Industries in Bihar with Particular Reference to Opium and Saltpetre (1773-1833). Sarvodaya Vangmaya.
Chicago Style (17th ed.) CitationSingh, Narayan Prasad. East India Company's Monopoly Industries in Bihar with Particular Reference to Opium and Saltpetre (1773-1833). Sarvodaya Vangmaya, 1980.
MLA (9th ed.) CitationSingh, Narayan Prasad. East India Company's Monopoly Industries in Bihar with Particular Reference to Opium and Saltpetre (1773-1833). Sarvodaya Vangmaya, 1980.
Warning: These citations may not always be 100% accurate.