APA (7th ed.) Zitazioa
Utku, S., Norris, C. H., & Wilbur, J. B. (1991). Elementary structural analysis (4th ed.). McGraw-Hill, Inc.
Chicago Style (17th ed.) Zitazioa
Utku, Senol, Charles Head Norris, eta John Benson Wilbur. Elementary Structural Analysis. 4th ed. New York: McGraw-Hill, Inc, 1991.
MLA (9th ed.) Zitazioa
Utku, Senol, et al. Elementary Structural Analysis. 4th ed. McGraw-Hill, Inc, 1991.
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