The theory of economic planning 
G.M. Heal.  
 - 2. printing. 
 - Amsterdam  North-Holland  1974.  
 - xiv, 409 s.  ill. 
 - Advanced Textbooks in Economics  vol. 3. .
<br/><br/><label>ISBN: </label>0444107169 (American Elsevier) (uib.) 0720430917 (North-Holland for this vol.) 0720436001 (North-Holland for this series) 9780444107169 (American Elsevier) (uib.) 9780720430912 (North-Holland for this vol.) 9780720436006 (North-Holland for this series)