Ayer, A. J. <br/><br/>
The Central Questions of Philosophy / 
A. J. Ayer. 
 - England :  Penguin Books,  1973. 
 - x, 243 p. 
<br/><br/><label>ISBN: </label>9780140219821 014021982x 
<br/><br/><label>Dewey Class. No.: </label>104  / AYE