Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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