Berglund, H., & Framstad, E. (2009). Increased biomass harvesting for bioenergy: Effects on biodiversity, landscape amenities and cultural heritage values. Nordic Council of Ministers.
Chicago Style (17th ed.) ZitazioaBerglund, Hakan, eta Erik Framstad. Increased Biomass Harvesting for Bioenergy: Effects on Biodiversity, Landscape Amenities and Cultural Heritage Values. Copenhagen: Nordic Council of Ministers, 2009.
MLA (9th ed.) ZitazioaBerglund, Hakan, eta Erik Framstad. Increased Biomass Harvesting for Bioenergy: Effects on Biodiversity, Landscape Amenities and Cultural Heritage Values. Nordic Council of Ministers, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.