Coillard, F., & Mackintosh, C. W. (1971). On the threshold of Central Africa: A record of twenty yearsïpioneering among the Barotsi of the Upper Zambesi (Third edition.). Cass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Coillard, Francois, و Catharine Winkworth Mackintosh. On the Threshold of Central Africa: A Record of Twenty Yearsïpioneering Among the Barotsi of the Upper Zambesi. Third edition. London: Cass, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Coillard, Francois, و Catharine Winkworth Mackintosh. On the Threshold of Central Africa: A Record of Twenty Yearsïpioneering Among the Barotsi of the Upper Zambesi. Third edition. Cass, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.