Toffler, A. (1972). The futurists. New York: Random House.
Chicago Style aipamenaToffler, Alvin. The Futurists. New York: Random House, 1972.
MLA aipamenaToffler, Alvin. The Futurists. New York: Random House, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.