http://es.wikipedia.org/wiki/Steno_(director)

Vanzini, Stefano

Vanzina, Stefano

Internet movie database, 27-9-2002---(Steno; b. 1915, Rome (Italy), d. 1988, Rome (Italy); b. name Stefano Vanzina; sometimes credited as Stefano Vanzina, Stefano Vanzini; writer, director, actor)

The film encyclopedia, Ephraim Katz, 1994---Seudónimo de Stefano Vanzina

Un americano a Roma [vídeo], 1995---carát. (Regia, Steno)