Não informado. (2004). Highway research circular. National Research Council, Highway Research Board.
Style de citation Chicago (17e éd.)Não informado. Highway Research Circular. Washington: National Research Council, Highway Research Board, 2004.
Style de citation MLA (8e éd.)Não informado. Highway Research Circular. National Research Council, Highway Research Board, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.