Pokshishevsky, V., & Translated by , F. (1974). Geography of the Soviet Union: Physical background, population, economy. Progress.
Cita Chicago (17th ed.)Pokshishevsky, V., i Fidlon Translated by. Geography of the Soviet Union: Physical Background, Population, Economy. Moscow: Progress, 1974.
Cita MLA (9th ed.)Pokshishevsky, V., i Fidlon Translated by. Geography of the Soviet Union: Physical Background, Population, Economy. Progress, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.