APA Style
Field, Barry C. (1990).
Environmental economics : an introduction.-- 2nd ed .
:
.
Chicago Style
Field, Barry C.
Environmental economics : an introduction.-- 2nd ed.
:
,
1990.
.
MLA Style
Field, Barry C.
Environmental economics : an introduction.-- 2nd ed.
:
,
1990.
.
Turabian Style
Field, Barry C.
Environmental economics : an introduction.-- 2nd ed.
:
,
1990.
.