Anderson, F. (1997). Mark Twain: The critical heritage. Routledge.
Chicago Style (17th ed.) ZitazioaAnderson, Fredrick. Mark Twain: The Critical Heritage. London: Routledge, 1997.
MLA (9th ed.) ZitazioaAnderson, Fredrick. Mark Twain: The Critical Heritage. Routledge, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.