Organisation for Economic Co-operation and Development. (1976). Road strengthening: A report. O.E.C.D. ; [H.M.S.O.].
Chicago-referens (17:e uppl.)Organisation for Economic Co-operation and Development. Road Strengthening: A Report. Paris : [London]: O.E.C.D. ; [H.M.S.O.], 1976.
MLA-referens (8:e uppl.)Organisation for Economic Co-operation and Development. Road Strengthening: A Report. O.E.C.D. ; [H.M.S.O.], 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.