Steven F. Lott <br/><br/>
Mastering Object-Oriented Python. 

 - 770. 
<br/><br/>Electronic book text. 
<br/><br/><br/>Data in extended ASCII character set. <br/>Mode of access: Internet. 
<br/><br/><label>ISBN: </label>9781789531404 
<br/><br/><label>Standard No.: </label>9781789531404  isbn