Pratt, D. (2011). Modelling written communication: A new systems approach to modelling in the social sciences. Springer.
Lua i Stíl Chicago (17ú heag.)Pratt, Deirdre. Modelling Written Communication: A New Systems Approach to Modelling in the Social Sciences. Dordrecht: Springer, 2011.
Lua MLA (9ú heag.)Pratt, Deirdre. Modelling Written Communication: A New Systems Approach to Modelling in the Social Sciences. Springer, 2011.
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