Distefano, Nestor
Nonlinear processes in engineering / Nestor Distefano
Academic Press, 1974
 Buku Teks
Lanczos, Cornelius
The variational principles of mechanics/ Cornelius Lanczos
University of Toronto Press, 1966
 Buku Teks
Dai, Liming, editor
Nonlinear approaches in engineering applications
[, Springer], 2012
 eBooks
Chia, Chuen-Yuan
Nonlinear analysis of plates / Chuen-Yuan Chia
McGraw-Hill, 1980
 Buku Teks
Friedman, Avner
Variational principles and free-boundary problems
John Wiley & Sons, 1982
 Buku Teks