Hill, R. C., & Negrey, C. Deindustrialisation and racial minorities in the Great Lakes region, USA: Richard Child Hill. Cynthia Negrey. Ethnic Minorities and industrial change in Europe and North America.(1992).
Lua i Stíl Chicago (17ú heag.)Hill, Richard Child, agus Cynthia Negrey. "Deindustrialisation and Racial Minorities in the Great Lakes Region, USA: Richard Child Hill. Cynthia Negrey." Ethnic Minorities and Industrial Change in Europe and North America.(1992) .
Lua MLA (8ú heag.)Hill, Richard Child, agus Cynthia Negrey. "Deindustrialisation and Racial Minorities in the Great Lakes Region, USA: Richard Child Hill. Cynthia Negrey." Ethnic Minorities and Industrial Change in Europe and North America.(1992), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.