APA
India Commercial Intelligence & Statistics (Department of-), India Commercial Intelligence & Statistics (Department of-), . (1946). Indian coal statistics. : .
Chicago
India Commercial Intelligence & Statistics (Department of-), India Commercial Intelligence & Statistics (Department of-), . 1946. Indian coal statistics. : .
Harvard
India Commercial Intelligence & Statistics (Department of-), India Commercial Intelligence & Statistics (Department of-), . (1946). Indian coal statistics. : .
MLA
India Commercial Intelligence & Statistics (Department of-), India Commercial Intelligence & Statistics (Department of-), . Indian coal statistics. : . 1946.