Perkins, B., & Perkins, G. B. (2002). The American tradition in literature (10th ed.). Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoPerkins, Barbara, và George B. Perkins. The American Tradition in Literature. 10th ed. Boston: McGraw-Hill, 2002.
Deismireacht MLAPerkins, Barbara, và George B. Perkins. The American Tradition in Literature. 10th ed. Boston: McGraw-Hill, 2002.
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