Underhill, J. W. (2009). Humboldt, worldview and language. Edinburgh University Press.
Lua i Stíl Chicago (17ú heag.)Underhill, James W. Humboldt, Worldview and Language. Edinburgh: Edinburgh University Press, 2009.
Lua MLA (9ú heag.)Underhill, James W. Humboldt, Worldview and Language. Edinburgh University Press, 2009.
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