Rujukan Pensel_warna

  1. ↑ "Definition of crayon in English by Oxford Dictionaries". Oxford. Dicapai 3 April 2019. 
  2. ↑ "How It's Made: Colored Pencils". HowStuffWorks, Inc. Diarkibkan daripada asal pada 29 August 2013. Dicapai 13 September 2013. 
  3. ↑ "About CPSA". Colored Pencil Society of America. Dicapai 12 September 2013. 
  4. ↑ "D6901 - The Standard Specifications for Artists' Colored Pencils". Colored Pencil Society of America. Dicapai 12 September 2013. 
  5. ↑ "UK Coloured Pencil Society". UKCPS, Artist 2013. Dicapai 13 September 2013. 
  6. ↑ "UK Coloured Pencil Society". ukcps.org.uk (dalam bahasa Inggeris). UK Coloured Pencil Society. Dicapai 6 March 2019. 
  7. ↑ "Coloured Pencil Society of Canada". Coloured Pencil Society of Canada. Diarkibkan daripada yang asal pada 28 September 2013. Dicapai 13 September 2013. 
  8. ↑ Lindhardt, Belinda. "Australian Coloured Pencils Network". Australian Coloured Pencils Network. Dicapai 13 September 2013. 
  9. ↑ Alyona, Nickelsen (2009). Colored Pencil Painting Bible. New York: Watson-Guptill Publications. m/s. 10 – 13. ISBN 978-0-8230-8557-6. 

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