Canonizado, Isagani Costales. <br/><br/>
Isang hiling sa kapaskuhan / 
Isagani Costales Canonizado. 
 - Philippines;    Publishers Association of the Philippines, Inc.,  December 2018.	 
 - Volume 66, pages 277,   illustration. 
<br/><br/><label>LC Class. No.: </label>DPer050 M72 January-March 2018 v. 66 no. 8-10