McCaul, M., & Yen, J. (2016). Failures of imagination: The deadliest threats to our homeland—and how to thwart them (Unabridged.). HighBridge Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)McCaul, Michael, و Jonathan Yen. Failures of Imagination: The Deadliest Threats to Our Homeland—and How to Thwart Them. Unabridged. Prince Frederick: HighBridge Audio, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)McCaul, Michael, و Jonathan Yen. Failures of Imagination: The Deadliest Threats to Our Homeland—and How to Thwart Them. Unabridged. HighBridge Audio, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.