Weidberg, Sara, Reid D. Landes, Carla López-Núñez, Irene Pericot-Valverde, Alba González-Roz, Jin H. Yoon, y Roberto Secades-Villa. «Contingency Management Effects on Delay Discounting Among Patients Receiving Smoking Cessation Treatment». Psicothema 27, no. Número 4 (diciembre 31, 2015): 309–316. Accedido mayo 12, 2025. https://reunido.uniovi.es/index.php/PST/article/view/10975.