Burpo, T., & Drury, D. (2017). God is for real: And he longs to answer your most difficult questions (First edition.). FaithWords.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Burpo, Todd, و David Drury. God Is for Real: And He Longs to Answer Your Most Difficult Questions. First edition. New York: FaithWords, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Burpo, Todd, و David Drury. God Is for Real: And He Longs to Answer Your Most Difficult Questions. First edition. FaithWords, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.