Cita APA

(2012). Progress on drinking water and sanitation: 2012 update. Geneva, Switzerland: UNICEF.

Citación estilo Chicago

Progress On Drinking Water and Sanitation: 2012 Update. Geneva, Switzerland: UNICEF, 2012.

Cita MLA

Progress On Drinking Water and Sanitation: 2012 Update. Geneva, Switzerland: UNICEF, 2012.

Precaución: Estas citas no son 100% exactas.