"pietism". Lexico. مؤرشف من الأصل في 2021-09-10. اطلع عليه بتاريخ 2021-09-10.
lsfmissiology.org
Scherer, James A. (1993). "The Triumph of Confessionalism in Nineteenth-Century German Lutheran Missions"(PDF). Missio Apostolica. ج. 2: 71–78. مؤرشف من الأصل(PDF) في 2006-01-12. This is an extract from Scherer's 1968 Ph.D. thesis, "Mission and Unity in Lutheranism". Scherer was Professor of World Mission and Church History at the Lutheran School of Theology at Chicago until his retirement.
"pietism". Lexico. مؤرشف من الأصل في 2021-09-10. اطلع عليه بتاريخ 2021-09-10.
"Pietism". Dictionary.com. مؤرشف من الأصل في 2022-04-08. اطلع عليه بتاريخ 2021-09-10.
Scherer, James A. (1993). "The Triumph of Confessionalism in Nineteenth-Century German Lutheran Missions"(PDF). Missio Apostolica. ج. 2: 71–78. مؤرشف من الأصل(PDF) في 2006-01-12. This is an extract from Scherer's 1968 Ph.D. thesis, "Mission and Unity in Lutheranism". Scherer was Professor of World Mission and Church History at the Lutheran School of Theology at Chicago until his retirement.