Cita APA (7th ed.)

Yudin, P. From socialism to communism. Progress Pub..

Cita Chicago (17th ed.)

Yudin, P. From Socialism to Communism. Moscow: Progress Pub..

Cita MLA (9th ed.)

Yudin, P. From Socialism to Communism. Progress Pub..

Atenció: Aquestes cites poden no estar 100% correctes.