Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Essmann, H.-F, e D. Davide Pettenella. Forestry in Ukraine at the Crossroads: Analyses and Ideas for a Sustainable Development. Lviv: Afisha, 2001.

Citatione MLA (9a ed.)

Essmann, H.-F, e D. Davide Pettenella. Forestry in Ukraine at the Crossroads: Analyses and Ideas for a Sustainable Development. Afisha, 2001.