Togo, M., & Sisitka, H. L. (2009). Unit-based sustainability assessment tool: A resource book to complement the UNEP mainstreaming and sustainability in African universities partnership. Share Net.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Togo, Muchaiteyi, و Heila Lotz Sisitka. Unit-based Sustainability Assessment Tool: A Resource Book to Complement the UNEP Mainstreaming and Sustainability in African Universities Partnership. Howick, South Africa: Share Net, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Togo, Muchaiteyi, و Heila Lotz Sisitka. Unit-based Sustainability Assessment Tool: A Resource Book to Complement the UNEP Mainstreaming and Sustainability in African Universities Partnership. Share Net, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.