Roberts, Andrew: ”černé divadlo (black light theater)”, From Good King Wenceslas to the Good Soldier Švejk: A Dictionary of Czech Popular Culture, s. 21. Budapest: Central European University Press, 2005. Teos Questia-tietopalvelussa (vaatii tilauksen). (Arkistoitu – Internet Archive)
web.archive.org
Roberts, Andrew: ”černé divadlo (black light theater)”, From Good King Wenceslas to the Good Soldier Švejk: A Dictionary of Czech Popular Culture, s. 21. Budapest: Central European University Press, 2005. Teos Questia-tietopalvelussa (vaatii tilauksen). (Arkistoitu – Internet Archive)
