Manu, G., Nelson, R., & Thiongo, J. (2005). Entrepreneurship education in schools and technical vocaional ttraining institutions : learners' workbook: Peter Tomlinson and Klaus Haftendorn. ILO.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Manu, George, Robert Nelson, و John Thiongo. Entrepreneurship Education in Schools and Technical Vocaional Ttraining Institutions : Learners' Workbook: Peter Tomlinson and Klaus Haftendorn. Geneva: ILO, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Manu, George, et al. Entrepreneurship Education in Schools and Technical Vocaional Ttraining Institutions : Learners' Workbook: Peter Tomlinson and Klaus Haftendorn. ILO, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.