Gaya APA
PURDOM, P. Walton. (1983).
Environmental health (2).
NEW YORK:
Academic Press.
Gaya Chicago
PURDOM, P. Walton.
Environmental health.
2
NEW YORK:
Academic Press,
1983.
Text.
Gaya MLA
PURDOM, P. Walton.
Environmental health.
2
NEW YORK:
Academic Press,
1983.
Text.
Gaya Turabian
PURDOM, P. Walton.
Environmental health.
2
NEW YORK:
Academic Press,
1983.
Print.