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