Não informado. (2004). Journal of Public Transportation. University of South Florida, National Center for Transit Research.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Public Transportation. Tampa, Fla: University of South Florida, National Center for Transit Research, 2004.
Lua MLA (8ú heag.)Não informado. Journal of Public Transportation. University of South Florida, National Center for Transit Research, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.