Aaron, J. (2018). Thor: god of thunder (2013), volume 4: Ragnarok prelude - special (Special, Collected.). Marvel Worldwide, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAaron, Jason. Thor: God of Thunder (2013), Volume 4: Ragnarok Prelude - Special. Special, Collected. Cleveland: Marvel Worldwide, Inc., 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAaron, Jason. Thor: God of Thunder (2013), Volume 4: Ragnarok Prelude - Special. Special, Collected. Marvel Worldwide, Inc., 2018.
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