APA
"Rao P., ."Manufactruing technology : foundry, forming and welding". New Delhi: .
Chicago
"Rao P.N", ."Manufactruing technology : foundry, forming and welding". New Delhi: .
Harvard
"Rao P., ."Manufactruing technology : foundry, forming and welding". New Delhi: .
MLA
"Rao P.N", .New Delhi: . .