Gaya APA
      Nunan,David, . (1988).
    The learner-centred curriculum : a study in second language teaching .
    New York:
  Cambridge University Press.
  
Gaya MLA
      Nunan,David, .
    "The learner-centred curriculum : a study in second language teaching".
    
    New York:
  Cambridge University Press,
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  Textbook.