Sources consultées pour l'information factuelle sur Friendly Interchange

• Screen Culture Research Group, Concordia University. "Canadian Educational, Sponsored, and Industrial Film Archive" Department of Communication Studies, Concordia University. http://www.screenculture.org/cesif/.
• MELOCHE, Jaclyn. Braiding the Boundaries: A Dialogical Study of Alma Duncan's Art from the 1940s and 1950s, 2004. Thèse de maîtrise, Carleton University. (p. 83) [en anglais]
• MONTREAL GAZETTE. « Ottawa film wins acclaim », Montreal Gazette, 12 mars 1964. [en anglais]