Richmond, Dorothy <br/><br/>
Spanish verb tenses / 
Dorothy Richmond 
 - 2nd ed. 
 - New York :  McGraw-Hill,  c2010 
 - xii, 339 p. :  ill. :  28 cm. 
 - Practice makes perfect .
 - Practice makes perfect .
<br/><br/><label>ISBN: </label>9780071639309 0071639306 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spanish language--Verb<br/>Spanish language--Grammar--Problems, exercises, etc<br/>Spanish language--English--Textbooks for foreign speakers