Não informado. (2020). American Engineer and Railroad Journal. M.N. Forney.
Chicago (17e ed.) BronvermeldingNão informado. American Engineer and Railroad Journal. New York: M.N. Forney, 2020.
MLA (8e ed.) BronvermeldingNão informado. American Engineer and Railroad Journal. M.N. Forney, 2020.
Let op: Deze citaties zijn niet altijd 100% accuraat.