एपीए उद्धरण

Rao, N. S. (1991). Design formulas for plastics engineers. Hanser.

शिकागो स्टाइल उद्धरण

Rao, Natti S. Design Formulas for Plastics Engineers. Munich: Hanser, 1991.

एमएलए उद्धरण

Rao, Natti S. Design Formulas for Plastics Engineers. Hanser, 1991.