Langan <br/><br/>
Basic communication skills / 
Langan. 
 - Philippines :  McGraw-Hill,  2009. 
 - 250 p.:  26 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-0-3909-8918-5 
<br/><br/><label>LC Class. No.: </label>153 L25 c2009