Weisner, S. G., & Hartford, W. F. (2002). American portraits: Biographies in United States history (2nd ed.). Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoWeisner, Stephen G., và William F. Hartford. American Portraits: Biographies in United States History. 2nd ed. Boston: McGraw-Hill, 2002.
Deismireacht MLAWeisner, Stephen G., và William F. Hartford. American Portraits: Biographies in United States History. 2nd ed. Boston: McGraw-Hill, 2002.
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