2William,P.Morgan (1997).Physical activity and mental health.Taylor & Francis Publishers.
3Patrick,J.O'Connor,John,S.Raglin,and Egil,W.Martinsen (2000).Physical activity,anxiety and anxiety disorders.International Journal of Sport Psychology,31(2),136-155.
4Focht,B.C.,and Koltyn,K.F.(1999).Influence of resistance exercise of different intensities on state anxiety and blood pressure.Medicine and Science in Sport and Exercise,31(3),456-463.
5Smith,J.C.,and Crabbe,J.B.(2000).Emotion and exercise.International journal of Sport Psychology,31(2),156-174.
6Rod,K.Dishman and Erica,M.Jackson (2000).Exercise,fitness,and stress.International Journal of Sport Psychology,31(2),175-203.
7Moyna,N.M.,Boduar,J.D.,Goldberg,H.R.,Shurin,M.S.,Robertson,R.J.and Robin,B.S.(1999).Relation between aerobic fitness level and stress induced alterations in neuroendocrine and immune function.International Journal of Sports Medicine,20,136-141.
8Sothmann,M.S.,Buckworth,J.,Claytor,R.P.,Cox,R.H.,White-Welkley,J.E.and Dishman,R.K.(1996).Exercise training and the cross-stressor adaptation hypothesis.Exercise and Sport Sciences Reviews,24,267-287.
9Craft,L.L.,and Landers,D.M.(1998).The effect of exercise on clinical depression and depression resulting from mentalillness: a meta-analysis.Journal of Sport and Exercise Psychology.
