Simonson, L. (2021). X-factor epic collection: Angel of death (Collected.). Marvel Worldwide, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimonson, Louise. X-factor Epic Collection: Angel of Death. Collected. Cleveland: Marvel Worldwide, Inc., 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSimonson, Louise. X-factor Epic Collection: Angel of Death. Collected. Marvel Worldwide, Inc., 2021.
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