* National Geographic: https://www.nationalgeographic.org/encyclopedia/temperate-woodland-and-shrubland-biomes/
* A természetvédelem: https://www.nature.org/en-us/what-we-do/our-priorities/protect-water-and---nand/forests-and-grasslands/temperate-woodland-and-shrubland/
* enciklopédia britannica: https://www.britannica.com/place/temperate-woodland-and-shrubland-biomes
* wikipedia: https://en.wikipedia.org/wiki/temperate_woodland_and_shrubland_biomes