↑ Finch, Christopher (1993). Jim Henson: The Works: the Art, the Magic, the Imagination. New York: Random House. ISBN 0-6794-1203, page 53
↑ Truglio, Rosemarie T (2001). "Introduction". ใน Shalom M. Fisch & Rosemarie T. Truglio (eds.). "G" is for Growing: Thirty Years of Research on Children and Sesame Street. Mahweh, New Jersey: Lawrence Erlbaum Publishers. p. xvi. ISBN0-8058-3395-1. Unknown parameter |coauthor= ignored (|author= suggested) (help)CS1 maint: uses editors parameter (link)
