Dyfyniad APA
Nilson, A. H. (1987). Design of prestressed concrete (2nd ed.). Wiley.
Dyfyniad Arddull Chicago
Nilson, Arthur H. Design of Prestressed Concrete. 2nd ed. New York: Wiley, 1987.
Dyfyniad MLA
Nilson, Arthur H. Design of Prestressed Concrete. 2nd ed. Wiley, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.