एपीए उद्धरण

Venkiteswaran , S. .. (1977). Petrochemicals. Colour publications Ltd.

शिकागो स्टाइल उद्धरण

Venkiteswaran , S .L. Petrochemicals. Bombay: Colour publications Ltd, 1977.

एमएलए उद्धरण

Venkiteswaran , S .L. Petrochemicals. Colour publications Ltd, 1977.