Clark, P. (1966). O´Neill´s the emperor Jones; The hairy ape and Mourning becomes Electra: Notes. Cliff´s Notes.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClark, Peter. O´Neill´s the Emperor Jones; The Hairy Ape and Mourning Becomes Electra: Notes. Nebraska, Estados Unidos: Cliff´s Notes, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रClark, Peter. O´Neill´s the Emperor Jones; The Hairy Ape and Mourning Becomes Electra: Notes. Cliff´s Notes, 1966.
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