International Water Association. (2000). Water 21. Iwa Publishing.
Citação do estilo Chicago (17ª ed.)International Water Association. Water 21. London: Iwa Publishing, 2000.
Citação MLA (8ª ed.)International Water Association. Water 21. Iwa Publishing, 2000.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.