Schaeffer, F. A., & Reading, K. (2006). He is there and he is not silent: Does it make sense to believe in god? (Unabridged.). christianaudio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schaeffer, Francis A., و Kate Reading. He Is There and He Is Not Silent: Does It Make Sense to Believe in God? Unabridged. Escondido: christianaudio, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Schaeffer, Francis A., و Kate Reading. He Is There and He Is Not Silent: Does It Make Sense to Believe in God? Unabridged. christianaudio, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.