Osgood, R. E. (1953). Ideals and self-interest in America's foreign relations: The great transformation of the twentieth century. University of Chicago Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Osgood, Robert Endicott. Ideals and Self-interest in America's Foreign Relations: The Great Transformation of the Twentieth Century. [Chicago]: University of Chicago Press, 1953.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Osgood, Robert Endicott. Ideals and Self-interest in America's Foreign Relations: The Great Transformation of the Twentieth Century. University of Chicago Press, 1953.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.