APA
                    G.C.Ramaswamy, . (1981). Design and Construction of Concrete Shell Roofs. New Delhi: Tata McGraw Hill.
                
                    Chicago
                    G.C.Ramaswamy, . 1981. Design and Construction of Concrete Shell Roofs. New Delhi: Tata McGraw Hill.
                
                    Harvard
                    G.C.Ramaswamy, . (1981). Design and Construction of Concrete Shell Roofs. New Delhi: Tata McGraw Hill.
                
                    MLA
                    G.C.Ramaswamy, . Design and Construction of Concrete Shell Roofs. New Delhi: Tata McGraw Hill. 1981.