American Association for Health, Physical Education, and Recreation, & Council for Exceptional Children. (1966). Recreation and physical activity for mentally retarded. Council for Exceptional Children and American Association for Health, Physical Education.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)American Association for Health, Physical Education, and Recreation, và Council for Exceptional Children. Recreation and Physical Activity for Mentally Retarded. Washington: Council for Exceptional Children and American Association for Health, Physical Education, 1966.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)American Association for Health, Physical Education, and Recreation, và Council for Exceptional Children. Recreation and Physical Activity for Mentally Retarded. Council for Exceptional Children and American Association for Health, Physical Education, 1966.