Read, T. (2015). Where have all the textbooks gone?: Toward sustainable provision of teaching and learning materials in Sub-Saharan Africa. World Bank Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Read, Tony. Where Have All the Textbooks Gone?: Toward Sustainable Provision of Teaching and Learning Materials in Sub-Saharan Africa. Washington, District of Columbia: World Bank Group, 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Read, Tony. Where Have All the Textbooks Gone?: Toward Sustainable Provision of Teaching and Learning Materials in Sub-Saharan Africa. World Bank Group, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.