1. The rise of highly organized sports for preadolescent boys;Berryman,1988
2. Joy and sadness in children's sports;Martens,1978
3. Role of family members in sport socialization of children;Greendorfer;Res Q,1978
4. Does sport affect character development in athletes?;Sage;The Journal of Physical Education, Recreation & Dance,1998
5. Significant others and professionalized sport attitudes;McElroy;Res Q Exerc Sport,1980