BENNETT GREG. (2007). CONSULTATIVE CLOSING: SIMPLE STEPS THAT BUILD RELATIONSHIPS AND WIN EVEN THE TOUGHEST SALE. AMERICAN MANAGEMENT ASSOCIATION.
Lua i Stíl Chicago (17ú heag.)BENNETT GREG. CONSULTATIVE CLOSING: SIMPLE STEPS THAT BUILD RELATIONSHIPS AND WIN EVEN THE TOUGHEST SALE. NEW YORK: AMERICAN MANAGEMENT ASSOCIATION, 2007.
Lua MLA (9ú heag.)BENNETT GREG. CONSULTATIVE CLOSING: SIMPLE STEPS THAT BUILD RELATIONSHIPS AND WIN EVEN THE TOUGHEST SALE. AMERICAN MANAGEMENT ASSOCIATION, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.