Dyfyniad APA

Beckwith, T. G., & Buck, L. N. (1969). Mechanical measurements. Addison - Wesley.

Dyfyniad Arddull Chicago

Beckwith, T G., and Lewis N. Buck. Mechanical Measurements. London: Addison - Wesley, 1969.

Dyfyniad MLA

Beckwith, T G., and Lewis N. Buck. Mechanical Measurements. Addison - Wesley, 1969.

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