Halliday, M. A. K. (1973). Explorations in the functions of language. London: Edward Qrnold.
Citación estilo ChicagoHalliday, Michael Alexander Kirkwood. Explorations in the Functions of Language. London: Edward Qrnold, 1973.
Cita MLAHalliday, Michael Alexander Kirkwood. Explorations in the Functions of Language. London: Edward Qrnold, 1973.
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