Hawken, Paul <br/><br/>
The ecology of commerce :  a declaration of sustainability / 
Paul Hawken 
 - New York :  HarperBusiness,  1993       
 - 250 p. 
<br/><br/><label>ISBN: </label>0887306551 
<br/><br/><label>LC Class. No.: </label>HD 60 H392e 1993