References
- Ross , J. C. and Gilbert , G. G. 1985 . The national children and youth fitness study: A summary of findings . Journal of Physical Education, Recreation and Dance , 56 ( 1 ) : 45 – 50 .
- Ross , J. C. and Pate , R. R. 1987 . The national children and youth fitness study II: A summary of findings . Journal of Physical Education, Recreation and Dance , 58 ( 9 ) : 51 – 56 .