Gaya APA
Gere, J, M., Goodno, B, J.
(2009).
Mechanics of materials
(
7th ed.)
.
New York:
Cengage Learning.
Gaya MLA
Gere, James, M.., Goodno, Barry, J..
"Mechanics of materials".
7th ed.
New York:
Cengage Learning,
2009.
e-book.