Cita APA (7th ed.)

Center For Science And Environment. (2013). Excreta Matters. Center For Science And Environment.

Cita Chicago (17th ed.)

Center For Science And Environment. Excreta Matters. Delhi: Center For Science And Environment, 2013.

Cita MLA (9th ed.)

Center For Science And Environment. Excreta Matters. Center For Science And Environment, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.