Sophie Lehner, y Theresa Schuster. «“Examining the Effects of Goal Setting and Feedback on Motivation and Performance in Sport”». Revista de Psicología del Deporte (Journal of Sport Psychology) 32, no. 2 (junio 25, 2023): 125–133. Accedido mayo 20, 2024. https://mail.rpd-online.com/index.php/rpd/article/view/1269.