Não informado. (1961). Transportation journal. American Society of Traffic and Transportation.
Chicago (17e ed.) BronvermeldingNão informado. Transportation Journal. Louisville, Ky: American Society of Traffic and Transportation, 1961.
MLA (8e ed.) BronvermeldingNão informado. Transportation Journal. American Society of Traffic and Transportation, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.