Tham khảo Chú vịt con xấu xí

  1. 1 2 Tatar, Maria (2008). The Annotated Hans Christian Andersen. W.. Norton & Company. tr. 99–118. 
  2. Jackie Wullschlager (2000). Hans Christian Andersen: The Life of a Storyteller. University of Chicago Press. tr. 231. 
  3. Jens Andersen (2006). Hans Christian Andersen: A New Life. Penguin. 
  4. Bredsdorff, Elias (1975). Hans Christian Andersen: The Story of his Life and Work 1805-75. Phaidon. ISBN 0-7148-1636-1
  5. Wullschlager, Jackie (2000). Hans Christian Andersen: The Life of a Storyteller. University of Chicago Press. tr. 236. 
  6. “Hans Christian Andersen - FAQ: Books by Hans Christian Andersen”. Hans Christian Andersen Center. 
  7. “Hans Christian Andersen: The Ugly Duckling”. Hans Christian Andersen Center. 
  8. Chisholm, Anne (ngày 5 tháng 6 năm 2006). “The tale of an ugly duckling”. The Daily Telegraph
  9. Philip, Neil (ngày 8 tháng 1 năm 2005). “The Little Prince”. The Times
  10. “The 1939 Silly Symphony”. The Internet Animation Database. 

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