Crichton, M. (1999). Timeline. Ballantine.
Chicago Style aipamenaCrichton, Michael. Timeline. New York, NY: Ballantine, 1999.
MLA aipamenaCrichton, Michael. Timeline. Ballantine, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Crichton, M. (1999). Timeline. Ballantine.
Chicago Style aipamenaCrichton, Michael. Timeline. New York, NY: Ballantine, 1999.
MLA aipamenaCrichton, Michael. Timeline. Ballantine, 1999.