EDELMAN JOEL. (1993). TAO OF NEGOTIATION: HOW TO RESOLVE CONFLICT IN ALL AREAS OF YOUR LIFE. PIATKUS.
Dyfyniad Arddull ChicagoEDELMAN JOEL. TAO OF NEGOTIATION: HOW TO RESOLVE CONFLICT IN ALL AREAS OF YOUR LIFE. LONDON: PIATKUS, 1993.
Dyfyniad MLAEDELMAN JOEL. TAO OF NEGOTIATION: HOW TO RESOLVE CONFLICT IN ALL AREAS OF YOUR LIFE. PIATKUS, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.