Gaya APA
Young, D, H., Timoshenko, S, P. (1956).
Elements of strength in of materials : S. Timoshenko, DH. Young .
New York:
D. Van Nostrand Company.
Gaya MLA
Young, D., H.., Timoshenko, Stephen, P..
"Elements of strength in of materials : S. Timoshenko, DH. Young".
New York:
D. Van Nostrand Company,
1956.
Buku.