Gaya APA
SMOL, J, P. (2008).
POLLUTION OF LAKES AND RIVERS : A PALEOENVIRONMENTAL PERSPECTIVE (2).
UNITED STATES OF AMERICA:
BLACKWELL PUBLISHING.
Gaya MLA
SMOL, JOHN, P..
"POLLUTION OF LAKES AND RIVERS : A PALEOENVIRONMENTAL PERSPECTIVE".
2
UNITED STATES OF AMERICA:
BLACKWELL PUBLISHING,
2008.
Text.