N. F. Simpson (2013). “N. F. Simpson: Collected Plays: A Resounding Tinkle; The Hole; Gladly Otherwise; One Way Pendulum; The Cresta Run; Was He Anyone?; If So, Then Yes”, p.87, Faber & Faber
"A Walt Disney World Resort Outing : The Only Vacation Planning Guide Exclusively for Gay and Lesbian Travelers". Book by Dann Hazel and Josh Fippen, 2002.
Marilyn Herbert, Mark Haddon (2006). “Discusses the Curious Incident of the Dog in the Night-time: The Complete Package for Readers and Leaders”, p.70, Bookclub-in-a-Box