American Association for Health, Physical Education and Recreation. (1968). Physical activities for the mentally retarded: Ideas for instruction. s. n.
Citazione stile Chigago Style (17a edizione)American Association for Health, Physical Education and Recreation. Physical Activities for the Mentally Retarded: Ideas for Instruction. Washington, D. C: s. n, 1968.
Citatione MLA (9a ed.)American Association for Health, Physical Education and Recreation. Physical Activities for the Mentally Retarded: Ideas for Instruction. s. n, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.