Não informado. (1961). International Railway Journal. Simmons Boardman Publishing.
Chicago (17e ed.) BronvermeldingNão informado. International Railway Journal. New York: Simmons Boardman Publishing, 1961.
MLA (8e ed.) BronvermeldingNão informado. International Railway Journal. Simmons Boardman Publishing, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.