Ramaswamy, A. M. (1968). Design and construction of concrete shell roofs. McGraw-Hill.
Dyfyniad Arddull ChicagoRamaswamy, A. M. Design and Construction of Concrete Shell Roofs. New York: McGraw-Hill, 1968.
Dyfyniad MLARamaswamy, A. M. Design and Construction of Concrete Shell Roofs. McGraw-Hill, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.