Beard, C. A., & Beard, M. R. (1944). Basic history of the Unites States (2nd ed.).
シカゴスタイル引用形Beard, Charles A., , Mary R. Beard. Basic History of the Unites States. 2nd ed. 1944.
MLA引用形式Beard, Charles A., , Mary R. Beard. Basic History of the Unites States. 2nd ed. 1944.
警告: この引用は必ずしも正確ではありません.