Neilson, N. P., & Cozens, F. W. (1939). Achievement scales in physical education activities for boys and girls in elementary and junior high schools. Barnes.
Chicago-referens (17:e uppl.)Neilson, Neils Peter, och Frederick Warren Cozens. Achievement Scales in Physical Education Activities for Boys and Girls in Elementary and Junior High Schools. New York: Barnes, 1939.
MLA-referens (8:e uppl.)Neilson, Neils Peter, och Frederick Warren Cozens. Achievement Scales in Physical Education Activities for Boys and Girls in Elementary and Junior High Schools. Barnes, 1939.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.