Gaya APA
Chopra, A, K. (2007).
DYNAMICS OF STRUCTURES: Theory and Applications to Earthquake Engineering (3rd ed).
New Jersey:
Pearson.
Gaya MLA
Chopra, Anil, K..
"DYNAMICS OF STRUCTURES: Theory and Applications to Earthquake Engineering".
3rd ed
New Jersey:
Pearson,
2007.
Text.