Cita APA (7a ed.)
Jordan, R. English for Academic Purposes: A Guide and Resource Book for Teachers. Cambridge University.
Cita estilo Chicago (17a ed.)
Jordan, R.R. English for Academic Purposes: A Guide and Resource Book for Teachers. Cambridge, Inglaterra: Cambridge University.
Cita MLA (9a ed.)
Jordan, R.R. English for Academic Purposes: A Guide and Resource Book for Teachers. Cambridge University.
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