Cleary, P. J. (2001). The negotiation handbook. M.E. Sharpe.
Lua i Stíl Chicago (17ú heag.)Cleary, Patrick J. The Negotiation Handbook. Armonk, N.Y.: M.E. Sharpe, 2001.
Lua MLA (8ú heag.)Cleary, Patrick J. The Negotiation Handbook. M.E. Sharpe, 2001.
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