Johnson, T. H. (1966). The companion to american history. Oxford university press.
Chicagoスタイル(17版)引用形式Johnson, Thomas H. The Companion to American History. New york: Oxford university press, 1966.
MLA(9版)引用形式Johnson, Thomas H. The Companion to American History. Oxford university press, 1966.
警告: この引用は必ずしも正確ではありません.