HILGERT, R. L. (1996). Cases In Collective Bargaining & Industrial Relations. Irwin.
Lua i Stíl Chicago (17ú heag.)HILGERT, Raymond L. Cases In Collective Bargaining & Industrial Relations. Irwin, 1996.
Lua MLA (8ú heag.)HILGERT, Raymond L. Cases In Collective Bargaining & Industrial Relations. Irwin, 1996.
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