एपीए उद्धरण

The Barclays Group. (1971). The Barclays Group of Banks. London: The Barclays Group.

शिकागो स्टाइल उद्धरण

The Barclays Group. The Barclays Group of Banks. London: The Barclays Group, 1971.

एमएलए उद्धरण

The Barclays Group. The Barclays Group of Banks. London: The Barclays Group, 1971.