एपीए उद्धरण

Higgins, R. (1970). Engineering Metallurgy (2ne ed.). Hodder and Stoughton.

शिकागो स्टाइल उद्धरण

Higgins, R.A. Engineering Metallurgy. 2ne ed. London: Hodder and Stoughton, 1970.

एमएलए उद्धरण

Higgins, R.A. Engineering Metallurgy. 2ne ed. Hodder and Stoughton, 1970.