Hubbard, L. Ron  1911-1986.  <br/><br/>
Ang daan tungo sa kaligayahan :  isang sentido komun na gabay sa mas maayos na pamumuhay / 
by L. Ron Hubbard.  
 - Los Angeles :  Bridge Publications,  c2008.  
 - 338 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>9781599700816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conduct of life. <br/>Happiness.