Dyfyniad APA
Beckwith, T. G., Marangoni, R. D., & Lienhard, J. H. (2007). Mechanical measurements (6th ed.). Pearson/Prentice Hall.
Dyfyniad Arddull Chicago
Beckwith, T. G., Roy D. Marangoni, and John H. Lienhard. Mechanical Measurements. 6th ed. Upper Saddle River, NJ: Pearson/Prentice Hall, 2007.
Dyfyniad MLA
Beckwith, T. G., et al. Mechanical Measurements. 6th ed. Pearson/Prentice Hall, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.