(2003). Counting on catalysts. NGO Forum for drinking water supply sanitation.
Citazione stile Chigago Style (17a edizione)Counting on Catalysts. Dhaka: NGO Forum for drinking water supply sanitation, 2003.
Citatione MLA (9a ed.)Counting on Catalysts. NGO Forum for drinking water supply sanitation, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.