Dyfyniad APA
Beer, F. P., & Johnston, E. R. (1977). Vector mechanics for engineers (3d ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Beer, Ferdinand Pierre, and E. Russell Johnston. Vector Mechanics for Engineers. 3d ed. New Delhi: McGraw-Hill, 1977.
Dyfyniad MLA
Beer, Ferdinand Pierre, and E. Russell Johnston. Vector Mechanics for Engineers. 3d ed. McGraw-Hill, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.