Jekiel Wojciech, Jurkowski Marian Bartnicka Barbara

title	ISBN-13 (ISBN-10)	year of publication
We Learn Polish T.1-2 + 2 CD	978-83-214-1488-1 (83-214-1488-5)	2010
Wir lernen Polnisch Tom 1-2	978-83-214-1014-2 (83-214-1014-6)	2005