Penggayaan APA
FIELD, Barry C. (2013).
Environmental economics .
New York:
McGraw Hill.
Chicago Style
FIELD, Barry C.
Environmental economics.
New York:
McGraw Hill,
2013.
Buku.
MLA Style
FIELD, Barry C.
Environmental economics.
New York:
McGraw Hill,
2013.
Buku.
Turabian Style
FIELD, Barry C.
Environmental economics.
New York:
McGraw Hill,
2013.
Buku.