7Bess H. Marcus and Annette L. Stanton. Evaluation of Relapse Prevention and Reinforcement Interventions to Prcxnote Exercise Adherence in Sedentary Females[J]. Research Quarterly for Exercise and Sport, 1993, (64):447.
8Arlene A. Ignico. The Effects of a Physical Fimess Program on Low-Fit Children[J]. Research Quarterly for Exercise and Sport,1995, (66) :85.
9Georg A. Kelley. Physical Activity Habits of African-American College Students[J]. Research Quarterly for Exercise and Sport,1994, (65) :207.