DeLong, J. B. (2000). The shape of twentieth century economic history. National Bureau of Economic Research.
Chicago (17e ed.) BronvermeldingDeLong, J. Bradford. The Shape of Twentieth Century Economic History. Cambridge: National Bureau of Economic Research, 2000.
MLA (9e ed.) BronvermeldingDeLong, J. Bradford. The Shape of Twentieth Century Economic History. National Bureau of Economic Research, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.