Harvey, B. (2008). Tork & Grunt's guide to effective negotiations: Mammoth strategies. Marshall Cavendish Business.
Lua i Stíl Chicago (17ú heag.)Harvey, Bob. Tork & Grunt's Guide to Effective Negotiations: Mammoth Strategies. London: Marshall Cavendish Business, 2008.
Lua MLA (9ú heag.)Harvey, Bob. Tork & Grunt's Guide to Effective Negotiations: Mammoth Strategies. Marshall Cavendish Business, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.