Frank, Marcella <br/><br/>
Modern english: a practical reference guide/ 
by Marcella Frank 
 - 2 
 - Englewood Cliffs, N.J. :  Regents \ Prentice Hall 
 - 402 p. 
<br/><br/><label>ISBN: </label>0-13-594318-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.INGLÉS---GRAMÁTICA