Spencer, E. W. (1962). Basic concepts of historical geology. Oxford & IBH.
シカゴスタイル引用形Spencer, Edgar Winston. Basic Concepts of Historical Geology. New Delhi: Oxford & IBH, 1962.
MLA引用形式Spencer, Edgar Winston. Basic Concepts of Historical Geology. Oxford & IBH, 1962.
警告: この引用は必ずしも正確ではありません.