UNICEF, U. (2021). Strategy for water, sanitation and hygiene 2016-2030. UNICEF, new york.
Chicago Style aipamenaUNICEF, UNICEF. Strategy for Water, Sanitation and Hygiene 2016-2030. UNICEF, new york, 2021.
MLA aipamenaUNICEF, UNICEF. Strategy for Water, Sanitation and Hygiene 2016-2030. UNICEF, new york, 2021.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.