(2020, 13. July). Considerations for Youth Sports. Zugriff unter https://www.cdc.gov/coronavirus/2019-ncov/community/schools-childcare/youth-sports.html
APA-Zitierstil (7. Ausg.)(2020). Considerations for Youth Sports. Centres for Disease Control and Prevention.
Chicago-Zitierstil (17. Ausg.)Considerations for Youth Sports. Centres for Disease Control and Prevention, 2020.
MLA-Zitierstil (9. Ausg.)Considerations for Youth Sports. Centres for Disease Control and Prevention, 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.