Cita APA (7a ed.)
Dixson, R. J. Graded Exercises in English (Ed. rev.). Regents.
Cita estilo Chicago (17a ed.)
Dixson, Robert J. Graded Exercises in English. Ed. rev. Nueva York, EUA: Regents.
Cita MLA (9a ed.)
Dixson, Robert J. Graded Exercises in English. Ed. rev. Regents.
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