Bolling, E. (2016). Wake up America: The nine virtues that made our nation great-and why we need them more than ever (Unabridged.). Macmillan Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bolling, Eric. Wake Up America: The Nine Virtues That Made Our Nation Great-and Why We Need Them More than Ever. Unabridged. New York, NY: Macmillan Audio, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bolling, Eric. Wake Up America: The Nine Virtues That Made Our Nation Great-and Why We Need Them More than Ever. Unabridged. Macmillan Audio, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.