Grammatik Intensivtrainer B1

@book{12500,
   author = {Ptak, M., },
   address = {Berlin},
   location = {Berlin},
   publisher = {Langenscheidt},
   title = {Grammatik Intensivtrainer B1},
   year = {2010}
}

TY  - BOOK
ID  - 12500
AU  - Ptak, M.,
PY  - 2010
TI  - Grammatik Intensivtrainer B1
PB  - Langenscheidt
CY  - Berlin
ER  - 

PTAK, M. \textit{Grammatik Intensivtrainer B1}. Berlin: Langenscheidt, 2010.