Braun, Hans-Joachim
The German economy in the twentieth century
Routledge, 1990
Buku Teks
Boehm, E.A.
Twentieth century economic development in Australia
Longman, 1971
Buku Teks
Boehm, E.A.
Twentieth century economic development in Australia
Longman Chesire, 1979
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Keylor, William R., 1944-
The twentieth-century world : an international history
Oxford University Press, 1996
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Robbins, Lionel
The economist in the twentieth century and the other lectures in political economy
Macmillan, 1954
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