Kozlov, G. A. (1977). Political economy. Progress.
Cita Chicago (17th ed.)Kozlov, Genrikh Abramovich. Political Economy. Moscow: Progress, 1977.
Cita MLA (8th ed.)Kozlov, Genrikh Abramovich. Political Economy. Progress, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.