Comtois, Pierre (2011). Marvel Comics in The 1970s: An Issue-by-Issue Field Guide to A Pop Culture Phenomenon. Raleigh, North Carolina: TwoMorrows Publishing. p. 135. ISBN978-1605490342.
Williams, Freeman (June 11, 2004). "Hell-Rider: A Memoir of the '70s". StompTokyo.com. Archived from the original on June 28, 2011.{{cite web}}: CS1 maint: bot: original URL status unknown (link) Additional .