Luxemburg, R., & Waters, M. A. (1970). Rosa Luxemburg speaks. Pathfinder Press.
Cita Chicago (17th ed.)Luxemburg, Rosa, i Mary Alice Waters. Rosa Luxemburg Speaks. New York: Pathfinder Press, 1970.
Cita MLA (9th ed.)Luxemburg, Rosa, i Mary Alice Waters. Rosa Luxemburg Speaks. Pathfinder Press, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.
