Rosner, B., Halcrow, A. R., & Lavin, J. Gray matters: The workplace survival guide.
Lua i Stíl Chicago (17ú heag.)Rosner, Bob, Allan R. Halcrow, agus John Lavin. Gray Matters: The Workplace Survival Guide.
Lua MLA (8ú heag.)Rosner, Bob, et al. Gray Matters: The Workplace Survival Guide.
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