Brykin, V. A. (1984). Trade and coexistence. Progress Pub.
Cita Chicago (17th ed.)Brykin, Vladimir Aleksandrovich. Trade and Coexistence. Moscow: Progress Pub, 1984.
Cita MLA (9th ed.)Brykin, Vladimir Aleksandrovich. Trade and Coexistence. Progress Pub, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.