Kohn, M. (2019). Four words for friends: Why using more than one language matters now more than ever. Yale University Press.
Citace podle Chicago (17th ed.)Kohn, Marek. Four Words for Friends: Why Using More than One Language Matters Now More than Ever. New Haven: Yale University Press, 2019.
Citace podle MLA (9th ed.)Kohn, Marek. Four Words for Friends: Why Using More than One Language Matters Now More than Ever. Yale University Press, 2019.
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