Electronic/World Wide Web>Message Posted to a Newsgroup:  Tyson, Neil deGrasse (12/21/2011), Neil deGrasse TysonNeil deGrasse Tyson Lists 8 (Free) Books Every Intelligent Person Should Read, Retrieved on 2012-07-12

Source Material [www.openculture.com]

Books, Brochures, and Chapters>Book:  Tyson, Neil deGrasse (2012-02-27), Space Chronicles, W. W. Norton & Company, Retrieved on 2012-05-07

Source Material [books.google.com]

Electronic/World Wide Web>Message Posted to Online Forum/Discussion Group:  Tyson, Neil deGrasse (20120505), Neil deGrasse Tyson Facebook Status Update on 20120505, facebook.com, Retrieved on 2012-05-05

Periodicals>Newsletter Article:  Tyson, Neil deGrasse (August 21, 2011), If I Were President..., New York Times, Retrieved on 2012-02-04

Source Material [www.haydenplanetarium.org]

Proceedings of Meetings and Symposia>Conference Session:  Tyson, Nye, Krauss, Gay, Phil (19 October 2011 ), TAM 2011 Panel: Our Future In Space, James Randi Foundation, Las Vegas, Retrieved on 2011-10-29

Source Material [www.randi.org]

Audiovisual Media>Television Series, Single Episode:  Tyson, Neil deGrasse (8/10/2011), Real Time With Bill Maher, HBO, Ep. 223, Overtime, Retrieved on 2011-08-28

Source Material [www.hbo.com]