Northrup, H. R., & Bloom, G. F. (1963). Government and labor: The role of government in union-management relations. R. D. Irwin.
Lua i Stíl Chicago (17ú heag.)Northrup, Herbert Roof, agus Gordon Falk Bloom. Government and Labor: The Role of Government in Union-management Relations. Homewood, Ill: R. D. Irwin, 1963.
Lua MLA (9ú heag.)Northrup, Herbert Roof, agus Gordon Falk Bloom. Government and Labor: The Role of Government in Union-management Relations. R. D. Irwin, 1963.
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