(1975). Issues and themes: Essays in American history and civilization. United States Information Service.
シカゴスタイル引用形Issues and Themes: Essays in American History and Civilization. New Delhi: United States Information Service, 1975.
MLA引用形式Issues and Themes: Essays in American History and Civilization. United States Information Service, 1975.
警告: この引用は必ずしも正確ではありません.