Dyfyniad APA

Bowden, F. P., & Tabor, D. (1956). Friction and lubrication. Methuen; Wiley.

Dyfyniad Arddull Chicago

Bowden, Frank Philip, and David Tabor. Friction and Lubrication. London, New York: Methuen; Wiley, 1956.

Dyfyniad MLA

Bowden, Frank Philip, and David Tabor. Friction and Lubrication. Methuen; Wiley, 1956.

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