Buckley, J. (2019). Death in a Budapest butterfly (First edition.). Berkley Prime Crime.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBuckley, Julia. Death in a Budapest Butterfly. First edition. New York: Berkley Prime Crime, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBuckley, Julia. Death in a Budapest Butterfly. First edition. Berkley Prime Crime, 2019.
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