Não informado. (1954). Journal of Health, Physical Education, Recreation. American Association for Health, Physical Education and Recreation.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Health, Physical Education, Recreation. Washington: American Association for Health, Physical Education and Recreation, 1954.
Citação MLA (8ª ed.)Não informado. Journal of Health, Physical Education, Recreation. American Association for Health, Physical Education and Recreation, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.