Downs, R. (1983). Books that changed the world. New American.
Chicagoスタイル(17版)引用形式Downs, Robert. Books That Changed the World. New York: New American, 1983.
MLA(9版)引用形式Downs, Robert. Books That Changed the World. New American, 1983.
警告: この引用は必ずしも正確ではありません.