Norris, C. H., Wilbur, J. B., & Utku, S. (1976). Elementary structural analysis (Third Edition.). McGraw-Hill.
Chicago Style aipamenaNorris, Charles Head, John Benson Wilbur, and Senol Utku. Elementary Structural Analysis. Third Edition. New York: McGraw-Hill, 1976.
MLA aipamenaNorris, Charles Head, et al. Elementary Structural Analysis. Third Edition. McGraw-Hill, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.