Greth, M. S. (1951). Inner mission services on the territory of the ministerium of Pennsylvania: A survey with recommendations and proposals. Evangelical Lutheran Ministerium of Pennsylania & adjacent States.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Greth, Morris S. Inner Mission Services on the Territory of the Ministerium of Pennsylvania: A Survey with Recommendations and Proposals. Philadelphia: Evangelical Lutheran Ministerium of Pennsylania & adjacent States, 1951.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Greth, Morris S. Inner Mission Services on the Territory of the Ministerium of Pennsylvania: A Survey with Recommendations and Proposals. Evangelical Lutheran Ministerium of Pennsylania & adjacent States, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.