Swierczek, Lydia.
First year bulgarian /
Lydia Swierczek 
. - Edmonton : Department of Slavic and East European Studies, University of Alberta,  1989 
. - 217 p.  28 cm. 
<br/><br/> Відрук. на розмн. апараті.
<br/><label>  ISBN: </label>0-88864-872-3