Quinn, M. B. Robert Penn Warrenęs Promised Land: M. Bernetta Quinn. Robert Penn Warren's "Brother to Dragons" : a discussion.(1983).
Chicagoスタイル(17版)引用形式Quinn, M. Bernetta. "Robert Penn Warrenęs Promised Land: M. Bernetta Quinn." Robert Penn Warren's "Brother to Dragons" : A Discussion.(1983) .
MLA(8版)引用形式Quinn, M. Bernetta. "Robert Penn Warrenęs Promised Land: M. Bernetta Quinn." Robert Penn Warren's "Brother to Dragons" : A Discussion.(1983), .
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