ebrary, Inc, & Grier, P. T. (2007). Identity and difference: Studies in Hegel's logic, philosophy of spirit, and politics. State University of New York Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, و Philip T. Grier. Identity and Difference: Studies in Hegel's Logic, Philosophy of Spirit, and Politics. Albany: State University of New York Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, و Philip T. Grier. Identity and Difference: Studies in Hegel's Logic, Philosophy of Spirit, and Politics. State University of New York Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.