Dennett, Daniel. C. <br/><br/>
Darwin's dangerous idea:Evolution and the meanings of life 

 - London  penguin books  1995 
 - p586 
<br/><br/><label>ISBN: </label>978-0-140-16734-4 
<br/><br/><label>LC Class. No.: </label>QH 375  /  .D45 1995