Rivkin, S. R. (1968). Technology unbound. Pergamon Press.
Chicago Style aipamenaRivkin, Steven R. Technology Unbound. New York: Pergamon Press, 1968.
MLA aipamenaRivkin, Steven R. Technology Unbound. Pergamon Press, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.