NGO Forum for Drinking Water Supply and Sanitation (Bangladesh) & Halder, J. (2003). Counting on catalysts. NGO Forum for Drinking Water Supply & Sanitation.
Lua i Stíl Chicago (17ú heag.)NGO Forum for Drinking Water Supply and Sanitation (Bangladesh) agus Joseph Halder. Counting on Catalysts. Dhaka: NGO Forum for Drinking Water Supply & Sanitation, 2003.
Lua MLA (8ú heag.)NGO Forum for Drinking Water Supply and Sanitation (Bangladesh) agus Joseph Halder. Counting on Catalysts. NGO Forum for Drinking Water Supply & Sanitation, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.