A Course in legal theory Vol. II : legal positivism / 
Emmanuel Q. Fernando. 
 - Manila :  Rex Book Store,  c[2012]. 
 - vi, 129 pages :  23 cm. 
<br/><br/><label>ISBN: </label>9789712361722 
<br/><br/><label>LC Class. No.: </label>K331  / .F391 2012