एपीए उद्धरण

Weinheim. (1986). Ullamann's Encyclopedia of Industrial Chemistry (5th ed.). VCH Verlagsgesellschaft.

शिकागो स्टाइल उद्धरण

Weinheim. Ullamann's Encyclopedia of Industrial Chemistry. 5th ed. VCH Verlagsgesellschaft, 1986.

एमएलए उद्धरण

Weinheim. Ullamann's Encyclopedia of Industrial Chemistry. 5th ed. VCH Verlagsgesellschaft, 1986.