Volz, S. (2011). African teachers on the colonial frontier: Tswana evangelists and their communities during the nineteenth century. Peter Lang.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Volz, Stephen. African Teachers on the Colonial Frontier: Tswana Evangelists and Their Communities During the Nineteenth Century. New York: Peter Lang, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Volz, Stephen. African Teachers on the Colonial Frontier: Tswana Evangelists and Their Communities During the Nineteenth Century. Peter Lang, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.