SpringerLink (Online service) & Zhelezov, G. (2011). Sustainable development in mountain regions: Southeastern Europe. Springer Science+Business.
Cita Chicago Style (17a ed.)SpringerLink (Online service) y Georgi Zhelezov. Sustainable Development in Mountain Regions: Southeastern Europe. Dordrecht: Springer Science+Business, 2011.
Cita MLA (8a ed.)SpringerLink (Online service) y Georgi Zhelezov. Sustainable Development in Mountain Regions: Southeastern Europe. Springer Science+Business, 2011.
Precaución: Estas citas no son 100% exactas.