Gaya APA
ANNENKOV, V, V., DEMKO, G, J.
(1992).
THE ART AND SCIENCE OF GEOGRAPHY
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AMERIKA:
WESTIEV PRESS.
Gaya MLA
ANNENKOV, VLADIMIR, V.., DEMKO, GEORGE, J..
"THE ART AND SCIENCE OF GEOGRAPHY".
AMERIKA:
WESTIEV PRESS,
1992.
Art Original.