Zafra, Galileo S.,  <br/><br/>
Balagtasan/ 
Galileo S. Zafra 
 - Quezon City:   Ateneo De Manila Press,   1999. 
 - 281 pages;   23 cm.  
<br/><br/>Mula duplo hanggang balagtasan -Ang antolohiya  
<br/><br/><br/>Tagalog 
<br/><br/><label>ISBN: </label>9715503195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mga piyesa ng balagtasan. <br/>Filipino. 
<br/><br/><label>Dewey Class. No.: </label>899.211  / Z11b