Não informado. (2008). Roads and road construction year book & directory. Carriers Publishing Company.
Chicagoスタイル(17版)引用形式Não informado. Roads and Road Construction Year Book & Directory. London: Carriers Publishing Company, 2008.
MLA(8版)引用形式Não informado. Roads and Road Construction Year Book & Directory. Carriers Publishing Company, 2008.
警告: この引用は必ずしも正確ではありません.