Lewis, C. S. (2001). Mere Christianity: A revised and amplified edition, with a new introduction, of the three books, Broadcast talks, Christian behaviour, and Beyond personality (1st HarperCollins paperback ed.). HarperOne.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lewis, C. S. Mere Christianity: A Revised and Amplified Edition, with a New Introduction, of the Three Books, Broadcast Talks, Christian Behaviour, and Beyond Personality. 1st HarperCollins paperback ed. San Francisco, Calif.: HarperOne, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lewis, C. S. Mere Christianity: A Revised and Amplified Edition, with a New Introduction, of the Three Books, Broadcast Talks, Christian Behaviour, and Beyond Personality. 1st HarperCollins paperback ed. HarperOne, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.