Pringle Hamish. (2004). Celebrity Sells. John Wiley & Sons Ltd.
Lua i Stíl Chicago (17ú heag.)Pringle Hamish. Celebrity Sells. England: John Wiley & Sons Ltd, 2004.
Lua MLA (9ú heag.)Pringle Hamish. Celebrity Sells. John Wiley & Sons Ltd, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.