Tham khảo Tuổi thơ

  1. 1 2 Macmillan Dictionary for Students Macmillan, Pan Ltd. (1981), page 173. Retrieved 2010-7-15.
  2. 1 2 “Childhood definition and meaning”. Collins Dictionary. Truy cập ngày 2 tháng 2 năm 2019. 
  3. ↑ Eddy, Matthew Daniel (2010). “The Alphabets of Nature: Children, Books and Natural History, 1750-1800”. Nuncius 25: 1–22. 
  4. ↑ O'Reilly, Michelle; Dogra, Nisha; Ronzoni, Pablo Daniel (2013). Research with Children: Theory and Practice. SAGE. tr. 2. ISBN 9781446291689. Truy cập ngày 5 tháng 2 năm 2019. 
  5. ↑ UNICEF The State of the World’s Children, 2005
  6. 1 2 End of Childhood Report 2017 Save the Children, retrieved 12 August 2017
  7. ↑ Collins, Andrew (1984). Development during Middle Childhood. National Academy Press. tr. 3. Truy cập ngày 13 tháng 3 năm 2019. 
  8. ↑ Berger, Kathleen (2017). The Developing Person through the Lifespan. Worth Publishers. tr. 303–309. ISBN 978-1-319-01587-9. 
  9. ↑ Berger, Kathleen (2017). The Developing Person through the Lifespan. Worth Publishers. tr. 310–311. ISBN 978-1-319-01587-9. 
  10. ↑ Berger, Kathleen (2017). The Developing Person through the Lifespan. Worth Publisher. tr. 348. ISBN 978-1-319-01587-9. 
  11. ↑ Konner, Melvin (2010). The Evolution of Childhood. Cambridge, Massachusetts: The Belknap Press of Harvard University Press. tr. 512–513. ISBN 978-0-674-04566-8. 
  12. ↑ Philippe Ariès (1960). Centuries of Childhood. 
  13. ↑ Vivian C. Fox, "Poor Children's Rights in Early Modern England," Journal of Psychohistory, Jan 1996, Vol. 23 Issue 3, pp 286–306
  14. ↑ David Cohen, The development of play (2006) p 20