Gjerde, Arild; Jeroen Heijmans; Bill Mallon; Hilary Evans (September 2014). "Gunnar Thoresen Bio, Stats, and Results". Olympics. Sports Reference.com. Archived from the original on 18 April 2020. Retrieved 13 November 2014.
Gjerde, Arild; Jeroen Heijmans; Bill Mallon; Hilary Evans (September 2014). "Gunnar Thoresen Bio, Stats, and Results". Olympics. Sports Reference.com. Archived from the original on 18 April 2020. Retrieved 13 November 2014.