Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.