Petersson, H. (2009). Enhanced incentives for mitigation efforts in the land use. Nordic Council of Ministers.
Lua i Stíl Chicago (17ú heag.)Petersson, Hans. Enhanced Incentives for Mitigation Efforts in the Land Use. Copenhagen: Nordic Council of Ministers, 2009.
Lua MLA (9ú heag.)Petersson, Hans. Enhanced Incentives for Mitigation Efforts in the Land Use. Nordic Council of Ministers, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.