Woollams, Geoff. <br/><br/>
A Grammar of Karo Batak, Sumatra / 
Geoff Woollams. 
 - Canberra :  Australian National University,  1996. 
 - x, 351 p. 
 - Pacific linguistics   C-130 .
<br/><br/><label>ISBN: </label>0858834324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Batak language--Indonesia--Sumatra.<br/>Austronesian languages--Indonesia--Sumatra.<br/>Karo dialect--Indonesia--Sumatra.