Svetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko); United Nations Economic Commision for Europe. 2011. Small-scale water supplies in the pan-European region: Background - challenges - improvements. Copenhagen: WHO Regional Office for Europe.
Citace podle APA (7th ed.)Svetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko), & United Nations Economic Commision for Europe. (2011). Small-scale water supplies in the pan-European region: Background - challenges - improvements. WHO Regional Office for Europe.
Citace podle Chicago (17th ed.)Svetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko), a United Nations Economic Commision for Europe. Small-scale Water Supplies in the Pan-European Region: Background - Challenges - Improvements. Copenhagen: WHO Regional Office for Europe, 2011.
Citace podle MLA (9th ed.)Svetová zdravotnícka organizácia. Regional Office for Europe (Kodaň, Dánsko), a United Nations Economic Commision for Europe. Small-scale Water Supplies in the Pan-European Region: Background - Challenges - Improvements. WHO Regional Office for Europe, 2011.
