Não informado. (1946). Bulletin. National Research Council, Highway Research Board.
Style de citation Chicago (17e éd.)Não informado. Bulletin. Washington: National Research Council, Highway Research Board, 1946.
Style de citation MLA (8e éd.)Não informado. Bulletin. National Research Council, Highway Research Board, 1946.
Attention : ces citations peuvent ne pas être correctes à 100%.