Gaya APA
Higdon, A., Ohlsen, E, H.
(1985).
Mechanics of material
(
4)
.
Singapore:
John Wily & Sons,Inc.
Gaya MLA
Higdon, Archie., Ohlsen, Edward, H.
"Mechanics of material".
4
Singapore:
John Wily & Sons,Inc,
1985.
Text.