Electronic/World Wide Web>Internet Article:  Bill, Sears and Martha , Sears (2011), Dr. Sears Addresses Recent Co-Sleeping Concerns, http://www.askdrsears.com, Retrieved on 2011-11-22

Source Material [www.askdrsears.com]

Electronic/World Wide Web>Internet Article:  Ruben, Adam (May 27, 2011), Experimental Error: Fetus Don't Fail Me Now, AAAS, Retrieved on 2011-06-02

Source Material [sciencecareers.sciencemag.org]

Audiovisual Media>Audio Recording:  Schute, Nancy (February 14, 2011), For Kids, Self-Control Factors Into Future Success, National Public Radio, Retrieved on 2011-03-01

Source Material [www.npr.org]