Perry, E. L. (1950). The Presbyterian Church in metropolitan Wilmington: A supplement to the interdenominational report. Board of Missions, Presbyterian Church USA.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Perry, Everett L. The Presbyterian Church in Metropolitan Wilmington: A Supplement to the Interdenominational Report. New York: Board of Missions, Presbyterian Church USA, 1950.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Perry, Everett L. The Presbyterian Church in Metropolitan Wilmington: A Supplement to the Interdenominational Report. Board of Missions, Presbyterian Church USA, 1950.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.