Powell, M. (2013). Servants' hall: A real life Upstairs, downstairs romance (1st U.S. ed.). St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPowell, Margaret. Servants' Hall: A Real Life Upstairs, Downstairs Romance. 1st U.S. ed. New York: St. Martin's Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPowell, Margaret. Servants' Hall: A Real Life Upstairs, Downstairs Romance. 1st U.S. ed. St. Martin's Press, 2013.
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