Tiemann, E. F. (1951). A study of the programs of projected audio-visual materials in religious and missionary education among selected protestant church denominations on the national level. Indiana University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tiemann, Ernest Fred. A Study of the Programs of Projected Audio-visual Materials in Religious and Missionary Education Among Selected Protestant Church Denominations on the National Level. Bloomingdale, Ind.: Indiana University, 1951.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tiemann, Ernest Fred. A Study of the Programs of Projected Audio-visual Materials in Religious and Missionary Education Among Selected Protestant Church Denominations on the National Level. Indiana University, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.