Ramet, Sabrina P. (1995). Social Currents in Eastern Europe: The Sources and Consequences of the Great Transformation. Duke University Press. pp. p.90. ISBN0-8223-1548-3.
Lepak, Keith John (1989). Prelude to Solidarity. Columbia University Press. pp. p. 100. ISBN0-231-06608-2.
Barbara J. Falk (2003). The Dilemmas of Dissidence in East-Central Europe: Citizen Intellectuals and Philosopher Kings. Central European University Press. pp. p.34. ISBN963-9241-39-3.
Barbara J. Falk (2003). The Dilemmas of Dissidence in East-Central Europe: Citizen Intellectuals and Philosopher Kings. Central European University Press. pp. p.35. ISBN963-9241-39-3.
Michael Bernhard; Henryk Szlajfer (1995). From the Polish Underground: Selections from "Krytyka", 1978–93. Penn State Press. pp. p. 405. ISBN0-271-02565-4.
William D Perdue (1995). Paradox of Change: The Rise and Fall of Solidarity in the New Poland. Praeger/Greenwood. pp. p.39. ISBN0-275-95295-9.
G. R. Urban (1997). Radio Free Europe and the Pursuit of Democracy: My War Within the Cold War. Yale University Press. pp. p. 147. ISBN0-300-06921-9.
Seleny, Anna (2006). The Political Economy of State-Society Relations in Hungary and Poland. Cambridge University Press. pp. p.100. ISBN0-521-83564-X.
Anna Seleny (2006). The Political Economy of State-Society Relations in Hungary and Poland: From Communism to the. Cambridge University Press. pp. p.115. ISBN0-521-83564-X.
Misztal, Bronisław (1985). Poland after Solidarity: Social Movements Vs. the State. Transaction Publishers. pp. p.4. ISBN0-88738-049-2.
Paul Wehr; Guy Burgess; Heidi Burgess, eds. (February 1994). Justice Without Violence(ebook). Lynne Rienner Publishers. p. 28. ISBN1-55587-491-6. Retrieved July 6, 2006.
Gary Clyde Hufbauer; Jeffrey J. Schott; Kimberly Ann Elliott (1990). Economic Sanctions Reconsidered: History and Current Policy. Institute for International Economics. pp. p. 193. ISBN0-88132-136-2.
Michael D. Kennedy (2002). Cultural Formations of Postcommunism: Emancipation, Transition, Nation, and War. University of Minnesota Press. pp. p.71. ISBN0-8166-3857-8.
Mary Patrice Erdmans, Helena Znaniecka Lopata, Polish Americans, Transaction Publishers, 1994, ISBN1-56000-100-3, p. 221
John E. Jackson; Jacek Klich; Krystyna Poznanska (2005). The Political Economy of Poland's Transition: New Firms and Reform Governments. Cambridge University Press. pp. p. 21. ISBN0-521-83895-9.
Padraic Kenney (2002). A Carnival of Revolution: Central Europe 1989. Princeton University Press. pp. p.2. ISBN0-691-05028-7.
Ronald J. Hill (1992). Beyond Stalinism: Communist Political Evolution. Routledge. pp. p. 51. ISBN0-7146-3463-8.
Jan-Werner Müller (2002). Memory and Power in Post-War Europe: Studies in the Presence of the Past. Cambridge University Press. pp. p.267. ISBN0-521-00070-X.