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Lua i Stíl Chicago (17ú heag.)Lewin, David, Olivia S. Mitchell, agus Peter D. Sherer. Research Frontiers in Industrial Relations and Human Resources. Madison, Wis: Industrial Relations Research Association, 1992.
Lua MLA (9ú heag.)Lewin, David, et al. Research Frontiers in Industrial Relations and Human Resources. Industrial Relations Research Association, 1992.
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