Woldehanna, T., & Araya, M. (2017). Early investment in preschool and completion of secondary education in Ethiopia: Lessons From Young Lives. Young Lives.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Woldehanna, T., و M. Araya. Early Investment in Preschool and Completion of Secondary Education in Ethiopia: Lessons From Young Lives. Young Lives, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Woldehanna, T., و M. Araya. Early Investment in Preschool and Completion of Secondary Education in Ethiopia: Lessons From Young Lives. Young Lives, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.