APA
World Mining Congress. (12th)1984 (New Delhi), World Mining Congress. (12th)1984 (New Delhi), . (1984). Optimal exploitation of solid mineral resources. Calcutta: Institution of Engineers India.
Chicago
World Mining Congress. (12th)1984 (New Delhi), World Mining Congress. (12th)1984 (New Delhi), . 1984. Optimal exploitation of solid mineral resources. Calcutta: Institution of Engineers India.
Harvard
World Mining Congress. (12th)1984 (New Delhi), World Mining Congress. (12th)1984 (New Delhi), . (1984). Optimal exploitation of solid mineral resources. Calcutta: Institution of Engineers India.
MLA
World Mining Congress. (12th)1984 (New Delhi), World Mining Congress. (12th)1984 (New Delhi), . Optimal exploitation of solid mineral resources. Calcutta: Institution of Engineers India. 1984.