Johns, Geoff, 1973- (Nombre personal)

JSA : the return of Hawkman, c2002: t.p. (Geoff Johns)

Superman vs. Zod, 2013: t.p. (writer, Geoff Johns)

Lc data base, 2003-06-09 (hdg.: Johns, Geoff, 1973- )

Comicbookdb.com, viewed Jan. 15, 2014 (Geoff Johns, born January 25, 1973 in Detroit, Michigan, is an American writer of comic books, best known from his work for DC Comics.) http://comicbookdb.com/creator.php?ID=102