Clark, G. L. (1983). Interregional migration, national policy, and social justice. Rowman & Allanheld.
Lua i Stíl Chicago (17ú heag.)Clark, Gordon L. Interregional Migration, National Policy, and Social Justice. Totowa, N.J.: Rowman & Allanheld, 1983.
Lua MLA (8ú heag.)Clark, Gordon L. Interregional Migration, National Policy, and Social Justice. Rowman & Allanheld, 1983.
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