Não informado. (1976). AASHTO Quarterly. American Association of State Highway and Transportation Officials.
Lua i Stíl Chicago (17ú heag.)Não informado. AASHTO Quarterly. Washington: American Association of State Highway and Transportation Officials, 1976.
Lua MLA (8ú heag.)Não informado. AASHTO Quarterly. American Association of State Highway and Transportation Officials, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.