Gaya APA
Abel. (1989).
Water pollution biology .
ENGLAND:
Ellis Horwood Limited.
Gaya Chicago
Abel.
Water pollution biology.
ENGLAND:
Ellis Horwood Limited,
1989.
Text.
Gaya MLA
Abel.
Water pollution biology.
ENGLAND:
Ellis Horwood Limited,
1989.
Text.
Gaya Turabian
Abel.
Water pollution biology.
ENGLAND:
Ellis Horwood Limited,
1989.
Print.