Dyfyniad APA
Beckwith, T. G., & Marangoni, R. D. V. (2007). Mechanical measurments (6th ed.). Pearson.
Dyfyniad Arddull Chicago
Beckwith, Thomas G., and Roy D/Lienhard V. Marangoni. Mechanical Measurments. 6th ed. New Delhi: Pearson, 2007.
Dyfyniad MLA
Beckwith, Thomas G., and Roy D/Lienhard V. Marangoni. Mechanical Measurments. 6th ed. Pearson, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.