Keaton, Michael, 1951- (Autor Personal)

Caldwell, C. The talk show state of mind, 1983: t.p. (Michael Keaton)

Variety who's who in show bus., 1985: p. 185 (Keaton, Michael; act[or]; b. 9/9/1951)

Internet Movie Database WWW site, August 3, 2016: (Michael Keaton, actor, producer ; b. September 5, 1951 in Coraopolis, Pennsylvania, USA)

Birdman o la inesperada virtud de la ignorancia, 2015: title page (Michael Keaton)