Parragon Publishing. (2007). My First Encyclopedia (Children's Reference). Parragon Publishing.
Chicago-referens (17:e uppl.)Parragon Publishing. My First Encyclopedia (Children's Reference). Parragon Publishing, 2007.
MLA-referens (9:e uppl.)Parragon Publishing. My First Encyclopedia (Children's Reference). Parragon Publishing, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.