Essmann, H., & Pettenella, D. (2001). Forestry in Ukraine at the crossroads: Analyses and ideas for a Sustainable Development.
Citazione stile Chigago Style (17a edizione)Essmann, Hans-Friedrich, e Davide Pettenella. Forestry in Ukraine at the Crossroads: Analyses and Ideas for a Sustainable Development. 2001.
Citatione MLA (9a ed.)Essmann, Hans-Friedrich, e Davide Pettenella. Forestry in Ukraine at the Crossroads: Analyses and Ideas for a Sustainable Development. 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.