HICKERSON, T. F. (1964). Route Location And Design Hickerson. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)HICKERSON, Thomas F. Route Location And Design Hickerson. McGraw-Hill, 1964.
Lua MLA (8ú heag.)HICKERSON, Thomas F. Route Location And Design Hickerson. McGraw-Hill, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.