Gaya APA
Field, Barry C.. (2009).
Environmental economics: an introduction / Barry C. Field, Martha K. Field (5th. ed.).
:
Singapore: McGraw-Hill.
Gaya Chicago
Field, Barry C..
Environmental economics: an introduction / Barry C. Field, Martha K. Field.
5th. ed.
:
Singapore: McGraw-Hill,
2009.
Buku.
Gaya MLA
Field, Barry C..
Environmental economics: an introduction / Barry C. Field, Martha K. Field.
5th. ed.
:
Singapore: McGraw-Hill,
2009.
Buku.
Gaya Turabian
Field, Barry C..
Environmental economics: an introduction / Barry C. Field, Martha K. Field.
5th. ed.
:
Singapore: McGraw-Hill,
2009.
Buku.