Creeley. The Selected Letters of Robert Creeley. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCreeley. The Selected Letters of Robert Creeley. University of California Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCreeley. The Selected Letters of Robert Creeley. University of California Press.
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