Trapeznikov, S. P. (1972). At the turning points of history: Some lessons of the struggle against revisionism within the Marxist-Leninist movement. Progress Publishers.
Citazione stile Chigago Style (17a edizione)Trapeznikov, S. P. At the Turning Points of History: Some Lessons of the Struggle Against Revisionism Within the Marxist-Leninist Movement. Moscow: Progress Publishers, 1972.
Citatione MLA (9a ed.)Trapeznikov, S. P. At the Turning Points of History: Some Lessons of the Struggle Against Revisionism Within the Marxist-Leninist Movement. Progress Publishers, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.