Costello, J. (1991). Ten days that saved the west. Bantam Press.
Chicagoスタイル(17版)引用形式Costello, John. Ten Days That Saved the West. London, New York, Toronto, Sydney, Auckland: Bantam Press, 1991.
MLA(8版)引用形式Costello, John. Ten Days That Saved the West. Bantam Press, 1991.
警告: この引用は必ずしも正確ではありません.