Dyfyniad APA

BEER, F. P., & JOHNSTON, E. R. (1999). Vector mechanics for engineers: Dynamics.-- ed.3. McGraw-Hill Ryerson.

Dyfyniad Arddull Chicago

BEER, Ferdinand P., and E. Russell JOHNSTON. Vector Mechanics for Engineers: Dynamics.-- Ed.3. Toronto: McGraw-Hill Ryerson, 1999.

Dyfyniad MLA

BEER, Ferdinand P., and E. Russell JOHNSTON. Vector Mechanics for Engineers: Dynamics.-- Ed.3. McGraw-Hill Ryerson, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.