Marx, K. (1996). Karl Marx: Later political writings. Univ. Pr.
Chicago Style (17th ed.) ZitazioaMarx, Karl. Karl Marx: Later Political Writings. Cambridge: Univ. Pr, 1996.
MLA (9th ed.) ZitazioaMarx, Karl. Karl Marx: Later Political Writings. Univ. Pr, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.