Dyfyniad APA
Beer, F. P., Johnston, E. R., & Eisenberg, E. R. (1997). Vector mechanics for engineers (6th ed.). WCB McGraw-Hill.
Dyfyniad Arddull Chicago
Beer, Ferdinand Pierre, E. Russell Johnston, and Elliot R. Eisenberg. Vector Mechanics for Engineers. 6th ed. Boston: WCB McGraw-Hill, 1997.
Dyfyniad MLA
Beer, Ferdinand Pierre, et al. Vector Mechanics for Engineers. 6th ed. WCB McGraw-Hill, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.