Le Bihan 2011, p. 6-11 Le Bihan, Denis (ed.) (2011), Water, ISBN978-981-4267-52-6, the forgotten biological molecule (em inglês), Singapura: Pan Stanford Publishing
Le Bihan 2011, p. 12. Le Bihan, Denis (ed.) (2011), Water, ISBN978-981-4267-52-6, the forgotten biological molecule (em inglês), Singapura: Pan Stanford Publishing
Le Bihan 2011, p. 343-345 Le Bihan, Denis (ed.) (2011), Water, ISBN978-981-4267-52-6, the forgotten biological molecule (em inglês), Singapura: Pan Stanford Publishing
Le Bihan 2011, p. 347 Le Bihan, Denis (ed.) (2011), Water, ISBN978-981-4267-52-6, the forgotten biological molecule (em inglês), Singapura: Pan Stanford Publishing
UNESCO 2006, pp. 204,215 Water, ISBN92-3-104006-5, a shared responsability (em inglês), The United Nations World Water Development Report 2, UNESCO, Berghahn Books, 2006
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Goodhead 2013 Goodhead, Tim (2013), David Johnson, ed., Coastal recreation management, the sustainable development of maritime leisure (em inglês), Taylor and Francis Group