Gaya APA
Collins, K, R., Nowak, A, S. (2000).
Reliability of Structures .
united states of AMERICA:
McGraw-Hill Higher Education.
Gaya MLA
Collins, Kevin, R.., Nowak, Andrzej, S..
"Reliability of Structures".
united states of AMERICA:
McGraw-Hill Higher Education,
2000.
Text Book Sipil.