Plato. <br/><br/>
Protagoras and Meno / 
Plato ; translated by W.K.C. Guthrie. 
 - Harmondsworth, Middlesex ;  New York :  Penguin Books,  1956. 
 - 156 p. ;  19 cm. 
 - Penguin classics ;  L68 .
<br/><br/><label>ISBN: </label>0140440682