Kasarda, J. D., Friedrichs, J., & Ehlers, K. Urban industrial restructuring and minority problems in the US and Germany: John D. Kasarda. Jürgen Friedrichs. Ethnic Minorities and industrial change in Europe and North America.(1992).
Chicago-referens (17:e uppl.)Kasarda, John D., Jürgen Friedrichs, och Kay Ehlers. "Urban Industrial Restructuring and Minority Problems in the US and Germany: John D. Kasarda. Jürgen Friedrichs." Ethnic Minorities and Industrial Change in Europe and North America.(1992) .
MLA-referens (8:e uppl.)Kasarda, John D., et al. "Urban Industrial Restructuring and Minority Problems in the US and Germany: John D. Kasarda. Jürgen Friedrichs." Ethnic Minorities and Industrial Change in Europe and North America.(1992), .
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