एपीए उद्धरण

(1974). The United Kingdom in 1980. London: Associated Business Programmes.

शिकागो स्टाइल उद्धरण

The United Kingdom in 1980. London: Associated Business Programmes, 1974.

एमएलए उद्धरण

The United Kingdom in 1980. London: Associated Business Programmes, 1974.