Offer, A. (1989). Economic Interpretation of War: The German Submarine Campaign, 1915-18.
Chicago-viite (17. p.)Offer, A. Economic Interpretation of War: The German Submarine Campaign, 1915-18. 1989.
MLA-viite (9. p.)Offer, A. Economic Interpretation of War: The German Submarine Campaign, 1915-18. 1989.
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