Lua APA (7ú heag.)

Roberts, H. S. (1971). Roberts' dictionary of industrial relations (Rev. ed.). Bureau of National Affairs.

Lua i Stíl Chicago (17ú heag.)

Roberts, Harold Sellig. Roberts' Dictionary of Industrial Relations. Rev. ed. Washington: Bureau of National Affairs, 1971.

Lua MLA (9ú heag.)

Roberts, Harold Sellig. Roberts' Dictionary of Industrial Relations. Rev. ed. Bureau of National Affairs, 1971.

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