Gjerde, Arild; Jeroen Heijmans; Bill Mallon; Hilary Evans (June 2016). "Al Van Bio, Stats, and Results". Olympics. Sports Reference.com. Archived from the original on April 17, 2020. Retrieved June 11, 2017.{{cite web}}: CS1 maint: year (link)
web.archive.org
Gjerde, Arild; Jeroen Heijmans; Bill Mallon; Hilary Evans (June 2016). "Al Van Bio, Stats, and Results". Olympics. Sports Reference.com. Archived from the original on April 17, 2020. Retrieved June 11, 2017.{{cite web}}: CS1 maint: year (link)
