Psychological dynamics of sport and exercise Diane L. Gill, PhD (University of North Carolina at Greensboro), Lavon Williams, PhD (Guilford College), Erin J. Reifsteck, PhD (University of North Carolina at Greensboro). - Gill, Diane L., 1948-; Williams, Lavon; Reifsteck, Erin J. (Human Kinetics, 2017)