एपीए उद्धरण

Sobral, M. (1971). The beverages industry in W. Erope. Europe.

शिकागो स्टाइल उद्धरण

Sobral, M. The Beverages Industry in W. Erope. Europe, 1971.

एमएलए उद्धरण

Sobral, M. The Beverages Industry in W. Erope. Europe, 1971.