Sapieja,Klaudia M,Dunn,et al.Perfectionism and Perceptions of Parenting Styles in Male Youth Soccer.Journal of Sport & Exercise Psychology,2011(33):20-39.
Eccles,Jacquelynne S,J A Fredricks.Family Socialization,Gender,and Sport Motivation and Involvement.Journal of Sport and Exercise Psychology.2005,27(1):3-31.