APA
"Rao P., ."Manufacturing technology:Foundry,forming and welding". New delhi: .
Chicago
"Rao P.N", ."Manufacturing technology:Foundry,forming and welding". New delhi: .
Harvard
"Rao P., ."Manufacturing technology:Foundry,forming and welding". New delhi: .
MLA
"Rao P.N", .New delhi: . .