Lenin, V. I. (1904). One step forward, Two steps back: (the crisis in our party). Progress Publishers.
Cita Chicago (17th ed.)Lenin, Vladimir Ilich. One Step Forward, Two Steps Back: (the Crisis in Our Party). Moscow: Progress Publishers, 1904.
Cita MLA (9th ed.)Lenin, Vladimir Ilich. One Step Forward, Two Steps Back: (the Crisis in Our Party). Progress Publishers, 1904.
Atenció: Aquestes cites poden no estar 100% correctes.