Gaya APA
Pytel, A., Kiusalaas, J.
(2011).
Mechanics of Materials - Second Edition
(
2)
.
USA:
Cengage Learning.
Gaya MLA
Pytel, Andrew., Kiusalaas, Jaan.
"Mechanics of Materials - Second Edition".
2
USA:
Cengage Learning,
2011.
Text.