Gaya APA
Beer, F, P., Johnston, E, R. (1987).
Mechanics for engineers dynamics (fourth edition).
:
The McGraw-Hill.New York.
Gaya MLA
Beer, Ferdinand, P., Johnston, E., Russel.
"Mechanics for engineers dynamics".
fourth edition
:
The McGraw-Hill.New York,
1987.
Skripsi, Tesis, Disertasi.