Kolev, G. (2013). 3RD Lessedra Internationl Painting & Mixed Media Competition: The Catalogue presents 232 Artists from 40 countries. Lessedra Gallery.
Chicago-referens (17:e uppl.)Kolev, Georgi. 3RD Lessedra Internationl Painting & Mixed Media Competition: The Catalogue Presents 232 Artists from 40 Countries. Sofia: Lessedra Gallery, 2013.
MLA-referens (8:e uppl.)Kolev, Georgi. 3RD Lessedra Internationl Painting & Mixed Media Competition: The Catalogue Presents 232 Artists from 40 Countries. Lessedra Gallery, 2013.
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