एपीए उद्धरण

Wittfoht, A. M. (1981). Plastics technical dictionary English - german /German -English: Part 1 -Alphabatical dictionary English -German. Hanser.

शिकागो स्टाइल उद्धरण

Wittfoht, A M. Plastics Technical Dictionary English - German /German -English: Part 1 -Alphabatical Dictionary English -German. Munich: Hanser, 1981.

एमएलए उद्धरण

Wittfoht, A M. Plastics Technical Dictionary English - German /German -English: Part 1 -Alphabatical Dictionary English -German. Hanser, 1981.