Lao Zi says. 

 - Beijing :  Sinolingua,  2009. 
 - 201 p. :  il. ;  21 cm. 
 - Way to Chinese Wise Men Talking Series .
<br/><br/><label>ISBN: </label>978-7-80200-215-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lao Zi Philosopher  604BC-531BC <br/>Philosophy, Chinese