Barnes, G. P. (1995). 8 steps for highly effective negotiation: Letting the other person have your way (7th ed.). National Press Publications.
Lua i Stíl Chicago (17ú heag.)Barnes, Ginny Pearson. 8 Steps for Highly Effective Negotiation: Letting the Other Person Have Your Way. 7th ed. Shawnee Mission, Kan: National Press Publications, 1995.
Lua MLA (9ú heag.)Barnes, Ginny Pearson. 8 Steps for Highly Effective Negotiation: Letting the Other Person Have Your Way. 7th ed. National Press Publications, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.