Cita APA

World Health Organization. (1984). Guide Lines for Dringking - Water Quality. World Health Organisation.

Citación estilo Chicago

World Health Organization. Guide Lines for Dringking - Water Quality. Geneva: World Health Organisation, 1984.

Cita MLA

World Health Organization. Guide Lines for Dringking - Water Quality. World Health Organisation, 1984.

Warning: These citations may not always be 100% accurate.