Gaya APA
      Klippel, Friederike. (1992).
    Keep talking: communicative fluency activities for language teaching (Cet. 10).
    New York:
  Cambridge University Press.
  
Gaya Chicago
      Klippel, Friederike.
    Keep talking: communicative fluency activities for language teaching.
    Cet. 10
    New York:
  Cambridge University Press,
  1992.
  Text.
  
Gaya MLA
      Klippel, Friederike.
    Keep talking: communicative fluency activities for language teaching.
    Cet. 10
    New York:
  Cambridge University Press,
  1992.
  Text.
  
Gaya Turabian
      Klippel, Friederike.
    Keep talking: communicative fluency activities for language teaching.
    Cet. 10 
    New York:
  Cambridge University Press,
  1992.
  Print.