Não informado. (2008). Roads and road construction year book & directory. Carriers Publishing Company.
Style de citation Chicago (17e éd.)Não informado. Roads and Road Construction Year Book & Directory. London: Carriers Publishing Company, 2008.
Style de citation MLA (8e éd.)Não informado. Roads and Road Construction Year Book & Directory. Carriers Publishing Company, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.