Източници:
http://www.referati.org/elektronen-biznes-opredelenie-i-modeli/1625/ref
http://www-it.fmi.uni-sofia.bg/courses/BonI/chapter2.html
http://mhlegal.eu/bg/blog/%D0%BA%D0%B0%D0%BA%D0%B2%D0%BE-%D1%82%D1%80%D1%8F%D0%B1%D0%B2%D0%B0-%D0%B4%D0%B0-%D0%B7%D0%BD%D0%B0%D0%B5%D0%BC-%D0%BF%D1%80%D0%B5%D0%B4%D0%B8-%D0%B4%D0%B0-%D0%BF%D0%BE%D1%87%D0%BD%D0%B5%D0%BC-%D0%B5/
http://www.adam-europe.eu/prj/5928/prj/MENUET_course_e-Commerce_bg.pdf
http://cio.bg/3899_pravitelstvo_onlain_po_sveta_i_v_bulgariya__dostijeniya_i_perspektivi
http://bnr.bg/sites/radiobulgaria/Economy/Business/Pages/Online_shopping_041011.aspx
http://www-it.fmi.uni-sofia.bg/courses/BonI/chapter2.html
http://mhlegal.eu/bg/blog/%D0%BA%D0%B0%D0%BA%D0%B2%D0%BE-%D1%82%D1%80%D1%8F%D0%B1%D0%B2%D0%B0-%D0%B4%D0%B0-%D0%B7%D0%BD%D0%B0%D0%B5%D0%BC-%D0%BF%D1%80%D0%B5%D0%B4%D0%B8-%D0%B4%D0%B0-%D0%BF%D0%BE%D1%87%D0%BD%D0%B5%D0%BC-%D0%B5/
http://www.adam-europe.eu/prj/5928/prj/MENUET_course_e-Commerce_bg.pdf
http://cio.bg/3899_pravitelstvo_onlain_po_sveta_i_v_bulgariya__dostijeniya_i_perspektivi
http://bnr.bg/sites/radiobulgaria/Economy/Business/Pages/Online_shopping_041011.aspx