Použitá a citovaná literatura
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EBERHARD, David M.; SIMONS Gary F.; FENNIG Charles D. (eds.). Ethnologue: Languages of the World. Twenty-fourth edition. Dallas, Texas: SIL International 2021.
HAMILTON, Marcus J.; WALKER, Robert S. Nonlinear diversification rates of linguistic phylogenies over the Holocene. Plos one, 2019, 14.7: e0213126.
KIK, Alfred, et al. Language and ethnobiological skills decline precipitously in Papua New Guinea, the world’s most linguistically diverse nation. Proceedings of the National Academy of Sciences, 2021, 118.22.
PROCHAZKA, Katharina; VOGL, Gero. Quantifying the driving factors for language shift in a bilingual region. Proceedings of the National Academy of Sciences, 2017, 114.17: 4365-4369.
SUTHERLAND, William J. Parallel extinction risk and global distribution of languages and species. Nature, 2003, 423.6937: 276-279.
UNESCO Ad Hoc Expert Group on Endangered Languages (2003) Language Vitality and Endangerment. Available at unesdoc.unesco.org/images/0018/001836/183699E.
ZHANG, Hanzhi; MACE, Ruth. Cultural extinction in evolutionary perspective. Evolutionary Human Sciences, 2021, 3.
Internetové zdroje
Ethnologue http://www.ethnologue.com