(1996). Swedish environmental and energy cooperation with Estonia, Latvia, Lithuania, Poland & Russia. Naturvârdsverket.
Citazione stile Chigago Style (17a edizione)Swedish Environmental and Energy Cooperation with Estonia, Latvia, Lithuania, Poland & Russia. Stockholm: Naturvârdsverket, 1996.
Citatione MLA (9a ed.)Swedish Environmental and Energy Cooperation with Estonia, Latvia, Lithuania, Poland & Russia. Naturvârdsverket, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.