APA-viite (7. p.)
Higgs, R. (2006). Depression, war, and cold war: Studies in political economy. Independent Institute.
Chicago-viite (17. p.)
Higgs, Robert. Depression, War, and Cold War: Studies in Political Economy. Oakland, CA: Independent Institute, 2006.
MLA-viite (9. p.)
Higgs, Robert. Depression, War, and Cold War: Studies in Political Economy. Independent Institute, 2006.
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