Neilson, N. P., & Cozens, F. W. (1939). Achievement scales in physical education activities for boys and girls in elementary and junior high schools. Barnes.
Lua i Stíl Chicago (17ú heag.)Neilson, Neils Peter, agus Frederick Warren Cozens. Achievement Scales in Physical Education Activities for Boys and Girls in Elementary and Junior High Schools. New York: Barnes, 1939.
Lua MLA (8ú heag.)Neilson, Neils Peter, agus Frederick Warren Cozens. Achievement Scales in Physical Education Activities for Boys and Girls in Elementary and Junior High Schools. Barnes, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.