Não informado. (2004). Highway magazine. Armco Drainage & Metal Products.
Chicagoスタイル(17版)引用形式Não informado. Highway Magazine. Middletown, Ohio: Armco Drainage & Metal Products, 2004.
MLA(8版)引用形式Não informado. Highway Magazine. Armco Drainage & Metal Products, 2004.
警告: この引用は必ずしも正確ではありません.