Last, J. V. (2013). What to expect when no one's expecting: America's coming demographic disaster (1st American ed.). Encounter Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Last, Jonathan V. What to Expect When No One's Expecting: America's Coming Demographic Disaster. 1st American ed. New York: Encounter Books, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Last, Jonathan V. What to Expect When No One's Expecting: America's Coming Demographic Disaster. 1st American ed. Encounter Books, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.