एपीए उद्धरण

(1958). The U.S. plastics and synthetic materials industry since 1958. Washington.

शिकागो स्टाइल उद्धरण

The U.S. Plastics and Synthetic Materials Industry Since 1958. Washington, 1958.

एमएलए उद्धरण

The U.S. Plastics and Synthetic Materials Industry Since 1958. Washington, 1958.