Gaya APA
Beer,, F., P. et al. (1987).
Mechanics for engineers dynamics (Ed.5).
Germany:
Akademi Komunitas Perkebunan Yogyakarta.
Gaya MLA
Beer,, F., P. et al..
Mechanics for engineers dynamics.
Ed.5
Germany:
Akademi Komunitas Perkebunan Yogyakarta,
1987.
Text.