Cita APA (7th ed.)
Nilson, A. H., & Darwin, D. (1997). Design of concrete structures (12th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Nilson, Arthur H., i David Darwin. Design of Concrete Structures. 12th ed. New York: McGraw-Hill, 1997.
Cita MLA (9th ed.)
Nilson, Arthur H., i David Darwin. Design of Concrete Structures. 12th ed. McGraw-Hill, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.