SPRING Centre (Universität Dortmund. Fachbereich Raumplanung) & United Nations Centre for Human Settlements. (2004). The guide for the Community based Environmental Management Information System (CEMIS) (2nd ed.). SPRING Centre, University of Dortmund ; UN-Habitat.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SPRING Centre (Universität Dortmund. Fachbereich Raumplanung) و United Nations Centre for Human Settlements. The Guide for the Community Based Environmental Management Information System (CEMIS). 2nd ed. Dortmund, Germany : Nairobi, Kenya: SPRING Centre, University of Dortmund ; UN-Habitat, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)SPRING Centre (Universität Dortmund. Fachbereich Raumplanung) و United Nations Centre for Human Settlements. The Guide for the Community Based Environmental Management Information System (CEMIS). 2nd ed. SPRING Centre, University of Dortmund ; UN-Habitat, 2004.