Gaya APA
Swanson, C, P., Timoshenko, S. (1976).
**Strength of materials Part I elementary theory and problems .
New York:
New York: Robert E. Krieger; 1976.
Gaya MLA
Swanson, Carl, P.., Timoshenko, S..
"**Strength of materials Part I elementary theory and problems".
New York:
New York: Robert E. Krieger; 1976,
1976.
Text.