APA
India. Ministry of Steel and Mines. Indian Bureau of Mines, . (1966). Memories on coal exploration. Delhi: Manager of Publications.
Chicago
India. Ministry of Steel and Mines. Indian Bureau of Mines, . 1966. Memories on coal exploration. Delhi: Manager of Publications.
Harvard
India. Ministry of Steel and Mines. Indian Bureau of Mines, . (1966). Memories on coal exploration. Delhi: Manager of Publications.
MLA
India. Ministry of Steel and Mines. Indian Bureau of Mines, . Memories on coal exploration. Delhi: Manager of Publications. 1966.