Crevels, M. Why speakers shift and languages die: An account of language death in Amazonian Bolivia.
Chicago-tyylinen lähdeviittausCrevels, Mily. Why Speakers Shift and Languages Die: An Account of Language Death in Amazonian Bolivia.
MLA-viiteCrevels, Mily. Why Speakers Shift and Languages Die: An Account of Language Death in Amazonian Bolivia.
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