Spanish for Mastery 1 / 
Jean-Paul Valette, Rebecca M. Valette ; Ed. Teresa Carrera-Hanley, Clara Ines Olaya. 
 - Lexington, Massachusetts ;  Toronto :  D.C. Heath and Company ,  1980. 
 - 468 p. 
<br/><br/><label>ISBN: </label>0-669-02206-3 0-669-05430-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Испанский язык