Dyfyniad APA
Norris, C. H., Wilbur, J. B., & Utku, S. (1948). Elementary Structural Analysis (1st Ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Norris, Charles Head, John Benson Wilbur, and Senol Utku. Elementary Structural Analysis. 1st Ed. New York: McGraw-Hill, 1948.
Dyfyniad MLA
Norris, Charles Head, et al. Elementary Structural Analysis. 1st Ed. McGraw-Hill, 1948.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.