Não informado. (1965). Highway research in progress. National Research Council, Highway Research Board.
Citação do estilo Chicago (17ª ed.)Não informado. Highway Research in Progress. Washington: National Research Council, Highway Research Board, 1965.
Citação MLA (8ª ed.)Não informado. Highway Research in Progress. National Research Council, Highway Research Board, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.