The Freedom Writers, Erin Gruwell (2007). “The Freedom Writers Diary (Movie Tie-in Edition): How a Teacher and 150 Teens Used Writing to Change Themselves and the World Around Them”, p.46, Broadway Books
Martin Dugard (2011). “To Be a Runner: How Racing Up Mountains, Running with the Bulls, or Just Taking On a 5-K Makes You a Better Person (and the World a Better Place)”, p.230, Rodale