NGO Forum for Drinking Water Supply and Sanitation (Bangladesh) & Halder, J. (2003). Counting on catalysts. NGO Forum for Drinking Water Supply & Sanitation.
Chicago-referens (17:e uppl.)NGO Forum for Drinking Water Supply and Sanitation (Bangladesh) och Joseph Halder. Counting on Catalysts. Dhaka: NGO Forum for Drinking Water Supply & Sanitation, 2003.
MLA-referens (8:e uppl.)NGO Forum for Drinking Water Supply and Sanitation (Bangladesh) och Joseph Halder. Counting on Catalysts. NGO Forum for Drinking Water Supply & Sanitation, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.