Dyfyniad APA

Womack, J. P., & Roos, D. (1990). Machine that Changed the World. Rawson Associates.

Dyfyniad Arddull Chicago

Womack, James. P., and Daniel Roos. Machine That Changed the World. New York: Rawson Associates, 1990.

Dyfyniad MLA

Womack, James. P., and Daniel Roos. Machine That Changed the World. Rawson Associates, 1990.

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