Cook, K. E. (1968). Organization of highway research: Summary and cases. Highway Research Board, National Research Council.
Citazione stile Chigago Style (17a edizione)Cook, Kenneth E. Organization of Highway Research: Summary and Cases. Washington, D.C: Highway Research Board, National Research Council, 1968.
Citatione MLA (9a ed.)Cook, Kenneth E. Organization of Highway Research: Summary and Cases. Highway Research Board, National Research Council, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.