(2020). U.S. Soccer grassroots coach education play-practice-play (PPP) model: An evidence-based approach. Olympic & Paralympic Coach, 31 (1), 24-29. Zugriff am 19.02.2021 unter https://www.teamusa.org/-/media/TeamUSA/CoachingEd/OPCoach_Spring2020.pdf
APA-Zitierstil (7. Ausg.)(2020). U.S. Soccer grassroots coach education play-practice-play (PPP) model: An evidence-based approach. Olympic & Paralympic Coach, 31(1), 24-29.
Chicago-Zitierstil (17. Ausg.)"U.S. Soccer Grassroots Coach Education Play-practice-play (PPP) Model: An Evidence-based Approach." Olympic & Paralympic Coach 31, no. 1 (2020): 24-29.
MLA-Zitierstil (9. Ausg.)"U.S. Soccer Grassroots Coach Education Play-practice-play (PPP) Model: An Evidence-based Approach." Olympic & Paralympic Coach, vol. 31, no. 1, 2020, pp. 24-29.