Fulghum, R. (1989). All I really need to know I learned in kindergarten: Uncommon thoughts on common things. Villard Books.
Chicago-referens (17:e uppl.)Fulghum, Robert. All I Really Need to Know I Learned in Kindergarten: Uncommon Thoughts on Common Things. New York: Villard Books, 1989.
MLA-referens (9:e uppl.)Fulghum, Robert. All I Really Need to Know I Learned in Kindergarten: Uncommon Thoughts on Common Things. Villard Books, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.