Não informado. (2001). International Journal of Aviation Psychology. Lawrence Erlbaum Associates.
Lua i Stíl Chicago (17ú heag.)Não informado. International Journal of Aviation Psychology. Mahwah, NJ: Lawrence Erlbaum Associates, 2001.
Lua MLA (8ú heag.)Não informado. International Journal of Aviation Psychology. Lawrence Erlbaum Associates, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.