Thomas, J. A. (2012). The Object of Christian Science: Word, Image, and Spirituality in Robert Indiana. The challenge of the object : 33rd Congress of the International Committee of the History of Art ; Congress Proceedings - Part 1.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Thomas, Joe A. "The Object of Christian Science: Word, Image, and Spirituality in Robert Indiana." The Challenge of the Object : 33rd Congress of the International Committee of the History of Art ; Congress Proceedings - Part 1 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Thomas, Joe A. "The Object of Christian Science: Word, Image, and Spirituality in Robert Indiana." The Challenge of the Object : 33rd Congress of the International Committee of the History of Art ; Congress Proceedings - Part 1, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.