1. Paul Trynka, David Bowie: Starman (New York, Boston and London: Little, Brown and Company, 2011), 17 and 59;
2. Marc Spitz, Bowie: A Biography (New York: Crown, 2009), 28;
3. Kevin Cann, David Bowie Any Day Now, The London Years: 1947–1974 (London: Adelita, 2010), 20;
4. Peter and Leni Gillman, Alias David Bowie (New York: Henry Holt and Company, 1987), 69;
5. Dylan Jones, When Ziggy Played Guitar: David Bowie and Four Minutes That Shook the World (London: Preface, 2012), 39