Shay Kornfeld (2011-07-26). Play-Doh and the Writing Process. Education Planet.. Retrieved on 2012-04-15.No attribution. Claim copyright over image: © 1999-2012 Education Planet. All rights reserved.
Play-Doh. The Ohio Historical Society. Retrieved on 2012-04-15.Misrepresented CC image as Public Domain
By an eHow Contributor. How to Make Microwave Play Dough. eHow / Demand media. Retrieved on 2012-04-15.No attribution
Brooke Nichols. How Does Play Dough Enhance Infant's Development?. eHow / Demand media. Retrieved on 2012-04-15.No attribution
