Ryan, R., & Lefberg, I. (1987). Persons of disability in Washington State: A statistical profile, 1970-1980. Labor Market and Economic Analysis Branch, Washington State Employment Security Dept..
Cita Chicago Style (17a ed.)Ryan, Rosemary, y Irv Lefberg. Persons of Disability in Washington State: A Statistical Profile, 1970-1980. Olympia, Wash. (212 Maple Park, Olympia 98504-5311): Labor Market and Economic Analysis Branch, Washington State Employment Security Dept., 1987.
Cita MLA (8a ed.)Ryan, Rosemary, y Irv Lefberg. Persons of Disability in Washington State: A Statistical Profile, 1970-1980. Labor Market and Economic Analysis Branch, Washington State Employment Security Dept., 1987.
Precaución: Estas citas no son 100% exactas.