American Association of State Highway Officials. (1966). A policy on geometric design of rural highways. s.n.
Lua i Stíl Chicago (17ú heag.)American Association of State Highway Officials. A Policy on Geometric Design of Rural Highways. Washington: s.n, 1966.
Lua MLA (9ú heag.)American Association of State Highway Officials. A Policy on Geometric Design of Rural Highways. s.n, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.