Não informado. (2000). Transportation engineer. American Cartagemen Publishing Corporation.
Chicago (17e ed.) BronvermeldingNão informado. Transportation Engineer. Mount Morris, Ill: American Cartagemen Publishing Corporation, 2000.
MLA (8e ed.) BronvermeldingNão informado. Transportation Engineer. American Cartagemen Publishing Corporation, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.