Gaya APA
      Morgan, John, Rinvolucri, Mario. (1990).
    The q book: practising interrogatives in reading, speaking and writing .
    England:
  Longman.
  
Gaya Chicago
      Morgan, John, Rinvolucri, Mario.
    The q book: practising interrogatives in reading, speaking and writing.
    
    England:
  Longman,
  1990.
  Text.
  
Gaya MLA
      Morgan, John, Rinvolucri, Mario.
    The q book: practising interrogatives in reading, speaking and writing.
    
    England:
  Longman,
  1990.
  Text.
  
Gaya Turabian
      Morgan, John, Rinvolucri, Mario.
    The q book: practising interrogatives in reading, speaking and writing.
     
    England:
  Longman,
  1990.
  Print.