Gaya APA
Plastics and the Environment. (1974).
London:
Hutchinson.
Gaya Chicago
Plastics and the Environment.
.
London:
Hutchinson,
1974.
Text.
Gaya MLA
Plastics and the Environment.
.
London:
Hutchinson,
1974.
Text.
Gaya Turabian
Plastics and the Environment.
London:
Hutchinson,
1974.
Print.