Gaya APA
Cheng, F.
(1985).
Statics and strenght of materials ed.2
(
Ed. 2)
.
New York:
Grencoe.
Gaya MLA
Cheng, Fa-Hwa.
"Statics and strenght of materials ed.2".
Ed. 2
New York:
Grencoe,
1985.
Textbook.