Holub, Joan. <br/><br/>
Why do dogs bark? / 
Joan Holub. 
 - Puffin :  Londres,  2001. 
 - 48 p. :  il. ;  23 cm 
<br/><br/><label>ISBN: </label>0140567895 
<br/><br/><label>Subjects--Index Terms: </label>Literatura infantil Inglesa