University of the Witwatersrand. Faculty of Education, University of Durban-Westville. School of Educational Studies, University of Pretoria. Faculty of Education, & University of the Free State. Faculty of Education. Perspectives in education. Faculty of Education, University of Witwatersrand.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Witwatersrand. Faculty of Education, University of Durban-Westville. School of Educational Studies, University of Pretoria. Faculty of Education, و University of the Free State. Faculty of Education. Perspectives in Education. Johannesburg, South Africa: Faculty of Education, University of Witwatersrand.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Witwatersrand. Faculty of Education, et al. Perspectives in Education. Faculty of Education, University of Witwatersrand.