Rivas, Virgilio Aquino,  c2008. <br/><br/>
Philosophy :  A History of Man / 
Rivas, Virgilio Aquino. 
 - Metro Mania, Philippines :  Unlad Publishing Company,  c2008. 
 - xviii ; 279p. ;  10 inch. 
<br/><br/><label>ISBN: </label>978-971-93666-6-9