Dudden, A. P. United States of America: A syllabus of American studies. Univ of Pennsylvania.
シカゴスタイル引用形Dudden, Arthur P. United States of America: A Syllabus of American Studies. Philadelphia: Univ of Pennsylvania.
MLA引用形式Dudden, Arthur P. United States of America: A Syllabus of American Studies. Univ of Pennsylvania.
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