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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.