Strack-Zimmermann, Benjamin. "Callum Wilson". www.national-football-teams.com (بالإنجليزية). Archived from the original on 2019-04-06. Retrieved 2018-12-21.
Strack-Zimmermann, Benjamin. "Callum Wilson". www.national-football-teams.com (بالإنجليزية). Archived from the original on 2019-04-06. Retrieved 2018-12-21.