Center For Science And Environment. (2013). Excreta Matters. Center For Science And Environment.
Citazione stile Chigago Style (17a edizione)Center For Science And Environment. Excreta Matters. Delhi: Center For Science And Environment, 2013.
Citatione MLA (9a ed.)Center For Science And Environment. Excreta Matters. Center For Science And Environment, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.