Grattan, R. F. (2009). The origins of air war: The development of military air strategy in World War I. Tauris Academic Studies.
Citace podle Chicago (17th ed.)Grattan, Robert F. The Origins of Air War: The Development of Military Air Strategy in World War I. London: Tauris Academic Studies, 2009.
Citace podle MLA (9th ed.)Grattan, Robert F. The Origins of Air War: The Development of Military Air Strategy in World War I. Tauris Academic Studies, 2009.
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