อ้างอิง

https://sites.google.com/site/khwamruphunthanphotoshopcs6/1-khunsmbati-phun-than-khxng-porkaerm

https://sites.google.com/site/ohm16tanaporn/home/khxdi-laea-khx-seiy-khxng-porkaerm-photoshop

https://sites.google.com/site/54540028kiti/4-khx-cakad-khxng-porkaerm-adobe-photoshop-lightroom

http://thaiphotoshop.net/basic1-photoshop/

https://web.stoms.co.th/2014/09/05/ความแตกต่างของโปรแกรม-photoshop-กับ-illustrator/