Style de citation APA (7e éd.)

World Health Organization. (1994). Operation and Maintenance of Urban Water Supply and Sanitation Systems: A guide for managers. World Health Organization.

Style de citation Chicago (17e éd.)

World Health Organization. Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. Switzerland: World Health Organization, 1994.

Style de citation MLA (9e éd.)

World Health Organization. Operation and Maintenance of Urban Water Supply and Sanitation Systems: A Guide for Managers. World Health Organization, 1994.

Attention : ces citations peuvent ne pas être correctes à 100%.