APA Style
Field, Barry C.. (2001).
Natural resource economics an introduction .
United States of America:
McGraw Hill Companies.
Chicago Style
Field, Barry C..
Natural resource economics an introduction.
United States of America:
McGraw Hill Companies,
2001.
Text.
MLA Style
Field, Barry C..
Natural resource economics an introduction.
United States of America:
McGraw Hill Companies,
2001.
Text.
Turabian Style
Field, Barry C..
Natural resource economics an introduction.
United States of America:
McGraw Hill Companies,
2001.
Print.