World Congress for Soviet and East European Studies Harrowgate, England, & Morison, J. (1992). The Czech and Slovak experience: Selected papers from the fourth World Congress for Soviet and East European Studies, Harrogate, 1990. St. Martin's Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Congress for Soviet and East European Studies Harrowgate, England, και John Morison. The Czech and Slovak Experience: Selected Papers from the Fourth World Congress for Soviet and East European Studies, Harrogate, 1990. London: St. Martin's Press, 1992.
Παραπομπή σε μορφή MLA (9th εκδ.)World Congress for Soviet and East European Studies Harrowgate, England, και John Morison. The Czech and Slovak Experience: Selected Papers from the Fourth World Congress for Soviet and East European Studies, Harrogate, 1990. St. Martin's Press, 1992.