توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Elobeid, D. E. (2006). The relevance of sustainable development to developing countries: The experience of the sudanese economy. International Institute of Islamic Thought and Civilization (ISTAC).

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Elobeid, Dirar Elmahi. The Relevance of Sustainable Development to Developing Countries: The Experience of the Sudanese Economy. Kuala Lumpur: International Institute of Islamic Thought and Civilization (ISTAC), 2006.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Elobeid, Dirar Elmahi. The Relevance of Sustainable Development to Developing Countries: The Experience of the Sudanese Economy. International Institute of Islamic Thought and Civilization (ISTAC), 2006.