Chandra, D. (1992). Jharia coal fields. Geological Society of India Council.
シカゴスタイル引用形Chandra, D. Jharia Coal Fields. Bangalore: Geological Society of India Council, 1992.
MLA引用形式Chandra, D. Jharia Coal Fields. Geological Society of India Council, 1992.
警告: この引用は必ずしも正確ではありません.