University of London. School of Oriental and African Studies, University of London. Department of African Languages and Cultures, & University of London. Centre for African Studies. (1992). African languages and cultures. School of Oriental and African Studies, University of London.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of London. School of Oriental and African Studies, University of London. Department of African Languages and Cultures, و University of London. Centre for African Studies. African Languages and Cultures. London: School of Oriental and African Studies, University of London, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of London. School of Oriental and African Studies, et al. African Languages and Cultures. School of Oriental and African Studies, University of London, 1992.