Gaya APA
BUKU ENVIRONMENTAL ASPECTS OF SELECTED NON-FERROUS METALS. (1991).
PARIS:
UNEP.
Gaya Chicago
BUKU ENVIRONMENTAL ASPECTS OF SELECTED NON-FERROUS METALS.
.
PARIS:
UNEP,
1991.
Text.
Gaya MLA
BUKU ENVIRONMENTAL ASPECTS OF SELECTED NON-FERROUS METALS.
.
PARIS:
UNEP,
1991.
Text.
Gaya Turabian
BUKU ENVIRONMENTAL ASPECTS OF SELECTED NON-FERROUS METALS.
PARIS:
UNEP,
1991.
Print.