Toynbee, A. J. (1939). A study of history. London: The Disintegrations of Civilizations.
シカゴスタイル引用形Toynbee, Arnold J. A Study of History. London: The Disintegrations of Civilizations, 1939.
MLA引用形式Toynbee, Arnold J. A Study of History. London: The Disintegrations of Civilizations, 1939.
警告: この引用は必ずしも正確ではありません.