@book
{TN_libero_mab2,
author = {
Stempek, Iwona
},
title = {
Poziom A1, Gry i zabawy językowe
},
publisher = {polish-courses.com},
publisher = {: Ernst Klett Sprachen},
isbn = {9788393073122},
isbn = {9783125287655},
year = {[2012]},
year = {, [2012]},
booktitle = {Polskie krok po kroku ; Poziom A1, [Sprachspiele]},
address = {
Krakow
,
; Stuttgart
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}