SIEGEL, I. H. (1982). Labor Management Cooperation The American Experience Irving H. Siegel And Edgar Weinberg. W.E. Upjohn Institute for Empl.
Lua i Stíl Chicago (17ú heag.)SIEGEL, Irving H. Labor Management Cooperation The American Experience Irving H. Siegel And Edgar Weinberg. W.E. Upjohn Institute for Empl, 1982.
Lua MLA (8ú heag.)SIEGEL, Irving H. Labor Management Cooperation The American Experience Irving H. Siegel And Edgar Weinberg. W.E. Upjohn Institute for Empl, 1982.
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