Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Olsson, G. (2015). Water and energy: Threats and opportunities (Second edition.). IWA Publishing.
Chicago Style (17th ed.) Zitazioa
Olsson, Gustaf. Water and Energy: Threats and Opportunities. Second edition. London, [England]: IWA Publishing, 2015.
MLA (9th ed.) Zitazioa
Olsson, Gustaf. Water and Energy: Threats and Opportunities. Second edition. IWA Publishing, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.