एपीए उद्धरण

Uppal , M. .. M. (2001). Engineering chemistry (6th ed.). Khanna publishers.

शिकागो स्टाइल उद्धरण

Uppal , M . M. Engineering Chemistry. 6th ed. New Delhi: Khanna publishers, 2001.

एमएलए उद्धरण

Uppal , M . M. Engineering Chemistry. 6th ed. Khanna publishers, 2001.