Internet, http://alpha.bn.org.pl, 2013-04-05
Information trouvée : Łętowski, Janusz (1939-1999)
Poland, towards to [sic] the rule of law = Pologne, vers l'état de droit / Ewa Łętowska,
Janusz Łętowski ; [collected and introduction by Stefan Jerzy Kiewlicz], 1996