Dopsch, A., Beard, M. G., Marshall, N., & Patzelt, E. (1937). The economic and social foundations of European civilization. London: Kegan Paul, Trench, Trubner, & co..
استشهاد بنمط شيكاغوDopsch, Alfons, Marian Gertrude Beard, Nadine Marshall, و Erna Patzelt. The Economic and Social Foundations of European Civilization. London: Kegan Paul, Trench, Trubner, & co., 1937.
MLA استشهادDopsch, Alfons, Marian Gertrude Beard, Nadine Marshall, و Erna Patzelt. The Economic and Social Foundations of European Civilization. London: Kegan Paul, Trench, Trubner, & co., 1937.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.