Spencer, F. (1967). History of the World in the Twentieth Century. Pan Books.
シカゴスタイル引用形Spencer, Frank. History of the World in the Twentieth Century. London: Pan Books, 1967.
MLA引用形式Spencer, Frank. History of the World in the Twentieth Century. Pan Books, 1967.
警告: この引用は必ずしも正確ではありません.