References ^ Superman Ser.: Red Son by Mark Millar (2004, Trade Paperback, Revised edition) ISBN 9781401201913 (revised Mar 2022)^ MILLAR, MARKJOHNSON, DAVE (2015). Superman: Red Son, DC COMICS. BiggerBooks. ISBN 9781401201913 (revised Nov 2023)^ Superman: Red Son Indigo. ISBN 9781401201913 (revised Apr 2017)