Hyland, K. (2006). English for academic purposes: An advanced resource book. Routledge.
Lua i Stíl Chicago (17ú heag.)Hyland, Ken. English for Academic Purposes: An Advanced Resource Book. Abingdon, Oxon ; New York: Routledge, 2006.
Lua MLA (8ú heag.)Hyland, Ken. English for Academic Purposes: An Advanced Resource Book. Routledge, 2006.
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