Barich, T. E. (2001). Outlook 2002: The complete reference. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Barich, Thomas E. Outlook 2002: The Complete Reference. McGraw-Hill, 2001.
Lua MLA (8ú heag.)Barich, Thomas E. Outlook 2002: The Complete Reference. McGraw-Hill, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.