Roseberry, R. S. (1934). The Niger vision: A modern miracle of missions : the record of the opening of the western Soudan to the gospel, present establishment of gospel lighthouses along the Niger with its tributaries, program for immediate evangelization of vast pagan areas. Christian Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Roseberry, R. S. The Niger Vision: A Modern Miracle of Missions : The Record of the Opening of the Western Soudan to the Gospel, Present Establishment of Gospel Lighthouses Along the Niger with Its Tributaries, Program for Immediate Evangelization of Vast Pagan Areas. Harrisburg, Pa.: Christian Publications, 1934.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Roseberry, R. S. The Niger Vision: A Modern Miracle of Missions : The Record of the Opening of the Western Soudan to the Gospel, Present Establishment of Gospel Lighthouses Along the Niger with Its Tributaries, Program for Immediate Evangelization of Vast Pagan Areas. Christian Publications, 1934.