Patterson, K. (2008). Influencer. Tata McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Patterson, Kerry. Influencer. Tata McGraw Hill, 2008.
Lua MLA (9ú heag.)Patterson, Kerry. Influencer. Tata McGraw Hill, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.