Douglas, J. D. (1970). Freedom and Tyranny: Social Problems in a Techniology Society. Alfred. A. Knopf.
Chicago Style aipamenaDouglas, Jack D. Freedom and Tyranny: Social Problems in a Techniology Society. New York: Alfred. A. Knopf, 1970.
MLA aipamenaDouglas, Jack D. Freedom and Tyranny: Social Problems in a Techniology Society. Alfred. A. Knopf, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.