Citazione Stile APA (7a Edizione)

Zhelezov, G. (2011). Sustainable Development in Mountain Regions: Southeastern Europe. Springer Netherlands. https://doi.org/10.1007/978-94-007-0131-1

Citazione stile Chigago Style (17a edizione)

Zhelezov, Georgi. Sustainable Development in Mountain Regions: Southeastern Europe. Dordrecht: Springer Netherlands, 2011. https://doi.org/10.1007/978-94-007-0131-1.

Citatione MLA (9a ed.)

Zhelezov, Georgi. Sustainable Development in Mountain Regions: Southeastern Europe. Springer Netherlands, 2011. https://doi.org/10.1007/978-94-007-0131-1.