Childe, V. G., & Clark, G. (1942). What happened in history. Penguin books.
Chicagoスタイル(17版)引用形式Childe, V. Gordon, , Grahame Clark. What Happened in History. Baltimore: Penguin books, 1942.
MLA(8版)引用形式Childe, V. Gordon, , Grahame Clark. What Happened in History. Penguin books, 1942.
警告: この引用は必ずしも正確ではありません.