Christle, A. (2007). And Then There Were None. Harpercollins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChristle, Agastha. And Then There Were None. London: Harpercollins, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChristle, Agastha. And Then There Were None. Harpercollins, 2007.
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