(2002). GAAP 2003. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)GAAP 2003. John Wiley & Sons, 2002.
Lua MLA (8ú heag.)GAAP 2003. John Wiley & Sons, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)