Penggayaan APA
IMPLEMENTING ISO 14000. (2001).
[s.l.]:
[s.a.].
Chicago Style
IMPLEMENTING ISO 14000.
.
[s.l.]:
[s.a.],
2001.
Buku.
MLA Style
IMPLEMENTING ISO 14000.
.
[s.l.]:
[s.a.],
2001.
Buku.
Turabian Style
IMPLEMENTING ISO 14000.
[s.l.]:
[s.a.],
2001.
Buku.