Nixon, B. (1998). Making a difference. Business.
Lua i Stíl Chicago (17ú heag.)Nixon, Bruce. Making a Difference. New Delhi: Business, 1998.
Lua MLA (8ú heag.)Nixon, Bruce. Making a Difference. Business, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.