APA (7e ed.) Bronvermelding

Não informado. (2004). Highway magazine. Armco Drainage & Metal Products.

Chicago (17e ed.) Bronvermelding

Não informado. Highway Magazine. Middletown, Ohio: Armco Drainage & Metal Products, 2004.

MLA (8e ed.) Bronvermelding

Não informado. Highway Magazine. Armco Drainage & Metal Products, 2004.

Let op: Deze citaties zijn niet altijd 100% accuraat.