Perman, Roger Ma, Yue Common, Michael Maddison, David McGilvray, James text Harlow, Essex New York Pearson Addison Wesley c 2011 4th ed. monographic xxx, 712 pages : Illustrations. (some col.) ; Prev. ed. entered under author: Perman, Roger, 1949- Includes index Environmental economics Natural resources - management Sustainable development HC 79 NAT 9780321417534 (pbk.) 0321417534 (pbk.)