Gaya APA
      Davis, Paul, Rinvolucri, Mario. (1990).
    The confidence book: building trust in the language classroom .
    Essex:
  Longman.
  
Gaya Chicago
      Davis, Paul, Rinvolucri, Mario.
    The confidence book: building trust in the language classroom.
    
    Essex:
  Longman,
  1990.
  Text.
  
Gaya MLA
      Davis, Paul, Rinvolucri, Mario.
    The confidence book: building trust in the language classroom.
    
    Essex:
  Longman,
  1990.
  Text.
  
Gaya Turabian
      Davis, Paul, Rinvolucri, Mario.
    The confidence book: building trust in the language classroom.
     
    Essex:
  Longman,
  1990.
  Print.