Vail, R. (1890). The Vail-Burgess debate: A religio-educational discussion between O.F. Burgess ... and Roger Vail ... with a preface by Rt. Rev. James McGolrick, D.D., Bishop of Duluth. St. Paul, Minn..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Vail, Roger. The Vail-Burgess Debate: A Religio-educational Discussion Between O.F. Burgess ... and Roger Vail ... with a Preface by Rt. Rev. James McGolrick, D.D., Bishop of Duluth. St. Paul, Minn., 1890.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Vail, Roger. The Vail-Burgess Debate: A Religio-educational Discussion Between O.F. Burgess ... and Roger Vail ... with a Preface by Rt. Rev. James McGolrick, D.D., Bishop of Duluth. St. Paul, Minn., 1890.
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