Adams, D. (2014). Dirk Gently's Holistic Detective Agency (First Gallery books trade paperback edition.). Gallery Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAdams, Douglas. Dirk Gently's Holistic Detective Agency. First Gallery books trade paperback edition. New York: Gallery Books, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAdams, Douglas. Dirk Gently's Holistic Detective Agency. First Gallery books trade paperback edition. Gallery Books, 2014.
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