Sibarani, Robert. <br/><br/>
Hakikat bahasa / 
Robert Sibarani. 
 - Bandung :  Citra Aditya Bakti,  1992. 
 - 130 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>9794146250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages.<br/>Linguistics.