Hegel, G. W. F. (1980). Lectures on the philosophy of world history: Introduction: reason in History. Cambridge: Cambridge University Press.
استشهاد بنمط شيكاغوHegel, Georg Wilhelm Friedrich. Lectures On the Philosophy of World History: Introduction: Reason in History. Cambridge: Cambridge University Press, 1980.
MLA استشهادHegel, Georg Wilhelm Friedrich. Lectures On the Philosophy of World History: Introduction: Reason in History. Cambridge: Cambridge University Press, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.