Dyfyniad APA

Gates, B., Myhrvold, N., & Rinearson, P. (1996). The road ahead: Completely revised and up-to-date. Penguin Books.

Dyfyniad Arddull Chicago

Gates, Bill, Nathan Myhrvold, and Peter Rinearson. The Road Ahead: Completely Revised and Up-to-date. London: Penguin Books, 1996.

Dyfyniad MLA

Gates, Bill, et al. The Road Ahead: Completely Revised and Up-to-date. Penguin Books, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.