- John Green. The Fault in Our Stars. New York, New York: Penguin, 2012.
- "Rotten Tomatoes: The Fault in Our Stars." 8/22/2015. <http://www.rottentomatoes.com/m/the_fault_in_our_stars/>.
- John Green. "John Green - New York Times Best Seller." 8/22/2015. <http://johngreenbooks.com/>.
- Alanna Bennet. "Is Peter Van Houten's 'Imperial Affliction' a Real Book? Here's What You Need To Know About John Green's Creations." Bustle.com. June 6, 2014. 8/22/2015. <http://www.bustle.com/articles/26735-is-peter-van-houtens-imperial-affliction-a-real-book-heres-what-you-need-to-know-about>.
- "This Star Won't Go Out." 8/22/2015. <http://tswgo.org/esthers-story.html>.
- "Shakespeare Quotes." 8/22/2015. <http://www.enotes.com/shakespeare-quotes/fault-dear-brutus-our-stars>.