EDELMAN JOEL. (1993). TAO OF NEGOTIATION: HOW TO RESOLVE CONFLICT IN ALL AREAS OF YOUR LIFE. PIATKUS.
Lua i Stíl Chicago (17ú heag.)EDELMAN JOEL. TAO OF NEGOTIATION: HOW TO RESOLVE CONFLICT IN ALL AREAS OF YOUR LIFE. LONDON: PIATKUS, 1993.
Lua MLA (9ú heag.)EDELMAN JOEL. TAO OF NEGOTIATION: HOW TO RESOLVE CONFLICT IN ALL AREAS OF YOUR LIFE. PIATKUS, 1993.
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