Spangle, M. (2003). Negotiations: Communications for diverse settings. Sage Publication.
Lua i Stíl Chicago (17ú heag.)Spangle, Michael. Negotiations: Communications for Diverse Settings. Sage Publication, 2003.
Lua MLA (8ú heag.)Spangle, Michael. Negotiations: Communications for Diverse Settings. Sage Publication, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.