Expo Zaragoza. (2004). The international symposium sessions, water and sustainable development, a projet for Expo 2008: Candidature Expo Zaragoza 2008, water and sustainable development. Expo Zaragoza 2008.
Cita Chicago Style (17a ed.)Expo Zaragoza. The International Symposium Sessions, Water and Sustainable Development, a Projet for Expo 2008: Candidature Expo Zaragoza 2008, Water and Sustainable Development. [Zaragoza]: Expo Zaragoza 2008, 2004.
Cita MLA (9a ed.)Expo Zaragoza. The International Symposium Sessions, Water and Sustainable Development, a Projet for Expo 2008: Candidature Expo Zaragoza 2008, Water and Sustainable Development. Expo Zaragoza 2008, 2004.
Precaución: Estas citas no son 100% exactas.