Keene, C. (2015). Nancy Drew Diaries: The Clue at Black Creek Farm No. 9. Aladdin Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeene, Carolyn. Nancy Drew Diaries: The Clue at Black Creek Farm No. 9. New York: Aladdin Paperbacks, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKeene, Carolyn. Nancy Drew Diaries: The Clue at Black Creek Farm No. 9. Aladdin Paperbacks, 2015.
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