Alford, C. F. (2005). Rethinking freedom: Why freedom has lost its meaning and what can be done to save it. Palgrave Macmillan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Alford, C. Fred. Rethinking Freedom: Why Freedom Has Lost Its Meaning and What Can Be Done to Save It. New York: Palgrave Macmillan, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Alford, C. Fred. Rethinking Freedom: Why Freedom Has Lost Its Meaning and What Can Be Done to Save It. Palgrave Macmillan, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.