Hill, J. (2012). Locke & key (2008), volume 5: Clockworks (Collected.). Idea and Design Work, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHill, Joe. Locke & Key (2008), Volume 5: Clockworks. Collected. Cleveland: Idea and Design Work, LLC, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHill, Joe. Locke & Key (2008), Volume 5: Clockworks. Collected. Idea and Design Work, LLC, 2012.
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