Penggayaan APA
FIELD, Barry C. (2002).
Environmental economics : (3th.ed).
New York:
McGraw Hill.
Chicago Style
FIELD, Barry C.
Environmental economics :.
3th.ed
New York:
McGraw Hill,
2002.
Buku.
MLA Style
FIELD, Barry C.
Environmental economics :.
3th.ed
New York:
McGraw Hill,
2002.
Buku.
Turabian Style
FIELD, Barry C.
Environmental economics :.
3th.ed
New York:
McGraw Hill,
2002.
Buku.