Tjosvold, D. (1981). Working with mentally handicapped persons in their residences. Collier Macmillan.
Citazione stile Chigago Style (17a edizione)Tjosvold, Dean. Working with Mentally Handicapped Persons in Their Residences. Collier Macmillan, 1981.
Citatione MLA (9a ed.)Tjosvold, Dean. Working with Mentally Handicapped Persons in Their Residences. Collier Macmillan, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.