Gaya APA
Goodstein, E, S. (2005).
Economics And The Environment (Ed. ke-4).
Upper Saddle River, NJ:
Wiley - Academy / Jonh Wiley & Sons LTD.
Gaya MLA
Goodstein, Eban, S.
"Economics And The Environment".
Ed. ke-4
Upper Saddle River, NJ:
Wiley - Academy / Jonh Wiley & Sons LTD,
2005.
Text.