Gaya APA
Oberg, E., [et.al.], .
(2012).
Machinery's handbook
(
29th.ed.)
.
New York:
Industrial Press Inc..
Gaya MLA
Oberg, Erick., [et.al.], .
"Machinery's handbook".
29th.ed.
New York:
Industrial Press Inc.,
2012.
Teks.