Singapore. Ministry of Social Affairs, Singapore Council of Social Service, & International Year of Disabled Persons (1981). (1981). International Year of Disabled Persons: Full participation and integration : rights issue. National Co-ordinating Committee for the International Year of Disabled Persons.
Παραπομπή σε μορφή Chicago (17η εκδ.)Singapore. Ministry of Social Affairs, Singapore Council of Social Service, και International Year of Disabled Persons (1981). International Year of Disabled Persons: Full Participation and Integration : Rights Issue. [Singapore: National Co-ordinating Committee for the International Year of Disabled Persons, 1981.
Παραπομπή σε μορφή MLA (8th εκδ.)Singapore. Ministry of Social Affairs, et al. International Year of Disabled Persons: Full Participation and Integration : Rights Issue. National Co-ordinating Committee for the International Year of Disabled Persons, 1981.