Gates, B., Myhrvold, N., & Rinearson, P. (1996). The road ahead: Completely revised and up-to-date. Penguin Books.
Chicago Style aipamenaGates, Bill, Nathan Myhrvold, and Peter Rinearson. The Road Ahead: Completely Revised and Up-to-date. London: Penguin Books, 1996.
MLA aipamenaGates, Bill, et al. The Road Ahead: Completely Revised and Up-to-date. Penguin Books, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.