APA (7th ed.) Zitazioa
(2022). Urban Ecosystem Services. MDPI - Multidisciplinary Digital Publishing Institute.
Chicago Style (17th ed.) Zitazioa
Urban Ecosystem Services. MDPI - Multidisciplinary Digital Publishing Institute, 2022.
MLA (9th ed.) Zitazioa
Urban Ecosystem Services. MDPI - Multidisciplinary Digital Publishing Institute, 2022.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.