APA-referens (7:e uppl.)
American Federation of Arts. 19th and 20th Century European Drawings. American Federation of Arts.
Chicago-referens (17:e uppl.)
American Federation of Arts. 19th and 20th Century European Drawings. Nueva York, EUA: American Federation of Arts.
MLA-referens (9:e uppl.)
American Federation of Arts. 19th and 20th Century European Drawings. American Federation of Arts.
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