Делия Моррис – реальная девочка, однако само имя – вымышленное.

Yousef Haik, Tamer Shahin, Engineering Design Process (Independence, Ky.: Cengage Learning, 2010); Clive L. Dym et al., Engineering Design: A Project-Based Introduction (New York: Wiley, 2004); Atila Ertas, Jesse C. Jones, The Engineering Design Process (New York: Wiley, 1996); Thomas J. Howard, Stephen J. Culley, Elies Dekoninck, «Describing the Creative Design Process by the Integration of Engineering Design and Cognitive Psychology Literature», Design Studies 29, № 2 (2008): 160-80.