Kozlov, G. A. (1977). Political economy: Socialism. Progress Publishers.
Cita Chicago (17th ed.)Kozlov, G. A. Political Economy: Socialism. Moscow: Progress Publishers, 1977.
Cita MLA (9th ed.)Kozlov, G. A. Political Economy: Socialism. Progress Publishers, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.