Center For Science And Environment. (2013). Excreta Matters. Center For Science And Environment.
芝加哥风格引文Center For Science And Environment. Excreta Matters. Delhi: Center For Science And Environment, 2013.
MLA引文Center For Science And Environment. Excreta Matters. Center For Science And Environment, 2013.
警告：这些引文格式不一定是100％准确.