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-viite (17. p.)Neilson, Neils Peter, ja Frederick Warren Cozens. Achievement Scales in Physical Education Activities for Boys and Girls in Elementary and Junior High Schools. New York: Barnes, 1939.
MLA-viite (8. p.)Neilson, Neils Peter, ja Frederick Warren Cozens. Achievement Scales in Physical Education Activities for Boys and Girls in Elementary and Junior High Schools. Barnes, 1939.
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