Wallerstein, D. V. (2002). A variational approach to structural analysis. John Wiley & Sons.
Chicago Style aipamenaWallerstein, David V. A Variational Approach to Structural Analysis. New York: John Wiley & Sons, 2002.
MLA aipamenaWallerstein, David V. A Variational Approach to Structural Analysis. John Wiley & Sons, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.