(en) Jeff Lenburg, Who's Who in Animated Cartoon : An International Guide to Film and Television's Award-Winning and Legendary Animators, New York, Hal Leonard Corporation, (ISBN1-55783-671-X).
(en) Jeff Lenburg, Who's Who in Animated Cartoon : An International Guide to Film and Television's Award-Winning and Legendary Animators, New York, Hal Leonard Corporation, (ISBN1-55783-671-X).
Danish Central Business Register (registre national des sociétés).