Kerr, P. (2017). Prussian blue: A bernie gunther novel series, book 12.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKerr, Philip. Prussian Blue: A Bernie Gunther Novel Series, Book 12. 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKerr, Philip. Prussian Blue: A Bernie Gunther Novel Series, Book 12. 2017.
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