APA (7th ed.) Zitazioa

Essmann, H., & Pettenella, D. (2001). Forestry in Ukraine at the crossroads: Analyses and ideas for a Sustainable Development.

Chicago Style (17th ed.) Zitazioa

Essmann, Hans-Friedrich, eta Davide Pettenella. Forestry in Ukraine at the Crossroads: Analyses and Ideas for a Sustainable Development. 2001.

MLA (9th ed.) Zitazioa

Essmann, Hans-Friedrich, eta Davide Pettenella. Forestry in Ukraine at the Crossroads: Analyses and Ideas for a Sustainable Development. 2001.