International Union of Geological Society. (1987). Episodes,vol.10&11.
シカゴスタイル引用形International Union of Geological Society. Episodes,vol.10&11. International Union of Geological Society, 1987.
MLA引用形式International Union of Geological Society. Episodes,vol.10&11. 1987.
警告: この引用は必ずしも正確ではありません.