एपीए उद्धरण

Wilshire, B. (1982). Techology and economic trends in the steel industries. U.K: Pineridge press.

शिकागो स्टाइल उद्धरण

Wilshire, B. Techology and Economic Trends in the Steel Industries. U.K: Pineridge press, 1982.

एमएलए उद्धरण

Wilshire, B. Techology and Economic Trends in the Steel Industries. U.K: Pineridge press, 1982.