APA (7th ed.) Zitazioa
(2003). Tradeable permits: Policy evaluation, design and reform. OECD.
Chicago Style (17th ed.) Zitazioa
Tradeable Permits: Policy Evaluation, Design and Reform. Paris, Frane: OECD, 2003.
MLA (9th ed.) Zitazioa
Tradeable Permits: Policy Evaluation, Design and Reform. OECD, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.