Penggayaan APA
FIELD, Barry C. (2006).
Environmental economics : (4th.ed).
New York:
McGraw Hill.
Chicago Style
FIELD, Barry C.
Environmental economics :.
4th.ed
New York:
McGraw Hill,
2006.
Buku.
MLA Style
FIELD, Barry C.
Environmental economics :.
4th.ed
New York:
McGraw Hill,
2006.
Buku.
Turabian Style
FIELD, Barry C.
Environmental economics :.
4th.ed
New York:
McGraw Hill,
2006.
Buku.