Cita APA

SpringerLink (Online service), Koulov, B., & Zhelezov, G. (2016). Sustainable Mountain Regions: Challenges and Perspectives in Southeastern Europe (1st ed. 2016.). Cham: Springer International Publishing : Imprint: Springer.

Citación estilo Chicago

SpringerLink (Online service), Boian Koulov, y Georgi Zhelezov. Sustainable Mountain Regions: Challenges and Perspectives in Southeastern Europe. 1st ed. 2016. Cham: Springer International Publishing : Imprint: Springer, 2016.

Cita MLA

SpringerLink (Online service), Boian Koulov, y Georgi Zhelezov. Sustainable Mountain Regions: Challenges and Perspectives in Southeastern Europe. 1st ed. 2016. Cham: Springer International Publishing : Imprint: Springer, 2016.