American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. (1964). Report. Highway Research Board, Division of Engineering and Industrial Research.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. Report. Washington: Highway Research Board, Division of Engineering and Industrial Research, 1964.
Παραπομπή σε μορφή MLA (8th εκδ.)American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. Report. Highway Research Board, Division of Engineering and Industrial Research, 1964.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.