Gaya APA
Field, Barry, C, Field, Martha, K. (2017).
ENVIRONMENTAL ECONOMICS: AN INTRODUCTION
seventh edition (seventh edition).
United States of America:
Mc Graw Hill.
Gaya Chicago
Field, Barry, C, Field, Martha, K.
ENVIRONMENTAL ECONOMICS: AN INTRODUCTION
seventh edition.
seventh edition
United States of America:
Mc Graw Hill,
2017.
Text.
Gaya MLA
Field, Barry, C, Field, Martha, K.
ENVIRONMENTAL ECONOMICS: AN INTRODUCTION
seventh edition.
seventh edition
United States of America:
Mc Graw Hill,
2017.
Text.
Gaya Turabian
Field, Barry, C, Field, Martha, K.
ENVIRONMENTAL ECONOMICS: AN INTRODUCTION
seventh edition.
seventh edition
United States of America:
Mc Graw Hill,
2017.
Print.