Heller, R. (1975). The European revenge: How the American challenge was rebuffed. London: Barrie & Jenkins.
استشهاد بنمط شيكاغوHeller, Robert. The European Revenge: How the American Challenge Was Rebuffed. London: Barrie & Jenkins, 1975.
MLA استشهادHeller, Robert. The European Revenge: How the American Challenge Was Rebuffed. London: Barrie & Jenkins, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.