Thoreau, H. D. On the duty of civil disobedience. Fifield.
Chicago Style aipamenaThoreau, Henry David. On the Duty of Civil Disobedience. London: Fifield.
MLA aipamenaThoreau, Henry David. On the Duty of Civil Disobedience. Fifield.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.