Não informado. (1963). Highway research record. National Research Council, Highway Research Board.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Highway Research Record. Washington: National Research Council, Highway Research Board, 1963.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Highway Research Record. National Research Council, Highway Research Board, 1963.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.