APA-referens (7:e uppl.)

Lewis, G. (1999). Successful creativity in a week. Hodder & Stoughton.

Chicago-referens (17:e uppl.)

Lewis, Gareth. Successful Creativity in a Week. London: Hodder & Stoughton, 1999.

MLA-referens (8:e uppl.)

Lewis, Gareth. Successful Creativity in a Week. Hodder & Stoughton, 1999.