Lum, G. (2005). The negotiation fielbook: Simple strategies to help you negotiate everything. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoLum, Grande. The Negotiation Fielbook: Simple Strategies to Help You Negotiate Everything. New York: McGraw-Hill, 2005.
Deismireacht MLALum, Grande. The Negotiation Fielbook: Simple Strategies to Help You Negotiate Everything. New York: McGraw-Hill, 2005.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.