Cita APA (7th ed.)

Beer, F. P., & Johnston, E. R. Vector mechanics for engineers (4th ed.).

Cita Chicago (17th ed.)

Beer, Ferdinand P., i E. Russell Johnston. Vector Mechanics for Engineers. 4th ed.

Cita MLA (8th ed.)

Beer, Ferdinand P., i E. Russell Johnston. Vector Mechanics for Engineers. 4th ed.