Cowles, V. (1956). Winston Churchill: The era and the man. New York: The Universal Library.
シカゴスタイル引用形Cowles, Virginia. Winston Churchill: The Era and the Man. New York: The Universal Library, 1956.
MLA引用形式Cowles, Virginia. Winston Churchill: The Era and the Man. New York: The Universal Library, 1956.
警告: この引用は必ずしも正確ではありません.