- Armin Brott
- Imaginary Friends: Should You Be concerned
- Character Development-Parenting
- Family Resource
- Retrieved February 22, 2010
- http://www.familyresource.com/parenting/character-development/imaginary-friends-should-you-be-concerned
- Dr. Evan Kidd
- Real Benefits in Imaginary Friends
- La Trobe
- Jun 02 2009 edition
- accessed on February 22, 2010
- http://www.latrobe.edu.au/news/articles/2009/article/real-benefits-in-imaginary-friends
- Benjamin Sutherland, Johnathan Adams, Joan Raymond
- The End of Make Believe
- Newsweek
- Aug 25 2003 edition