Lenin, V. I. (1986). Problems of building socialism and communism in the USSR. Progress Pub.
Citazione stile Chigago Style (17a edizione)Lenin, Vladimir Il'ich. Problems of Building Socialism and Communism in the USSR. Moscow: Progress Pub, 1986.
Citatione MLA (9a ed.)Lenin, Vladimir Il'ich. Problems of Building Socialism and Communism in the USSR. Progress Pub, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.