Dyfyniad APA
Winter, G., Nilson, A. H., & Urquhart, L. C. (1972). Design of concrete structures (8th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Winter, George, Arthur H. Nilson, and Leonard Church Urquhart. Design of Concrete Structures. 8th ed. New York: McGraw-Hill, 1972.
Dyfyniad MLA
Winter, George, et al. Design of Concrete Structures. 8th ed. McGraw-Hill, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.