Hall, R. F. Milton's sonnets and his contemporaries: R. F. Hall. The Cambridge companion to Milton.(2004).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHall, R. F. "Milton's Sonnets and His Contemporaries: R. F. Hall." The Cambridge Companion to Milton.(2004) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रHall, R. F. "Milton's Sonnets and His Contemporaries: R. F. Hall." The Cambridge Companion to Milton.(2004), .
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