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Cita Chicago Style (17a ed.)Singapore. Ministry of Social Affairs, Singapore Council of Social Service, y 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.
Cita MLA (8a ed.)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.