Research and Extention Division Natural Recources Management and Environment Department. (2007). Communication and sustainable development: Selected papers from the 9th UN roundtable on communication for development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Research and Extention Division Natural Recources Management and Environment Department. Communication and Sustainable Development: Selected Papers from the 9th UN Roundtable on Communication for Development. 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Research and Extention Division Natural Recources Management and Environment Department. Communication and Sustainable Development: Selected Papers from the 9th UN Roundtable on Communication for Development. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.