WOODS, K. B. (1960). Highway Engineering Handbook. McGraw-Hill Book Company.
Lua i Stíl Chicago (17ú heag.)WOODS, Kenneth B. Highway Engineering Handbook. McGraw-Hill Book Company, 1960.
Lua MLA (8ú heag.)WOODS, Kenneth B. Highway Engineering Handbook. McGraw-Hill Book Company, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.