एपीए उद्धरण

Ritson, C., & Harvey, D. (1997). Common agricultural policy. CAB International.

शिकागो स्टाइल उद्धरण

Ritson, Christopher, और David Harvey. Common Agricultural Policy. U K: CAB International, 1997.

एमएलए उद्धरण

Ritson, Christopher, और David Harvey. Common Agricultural Policy. CAB International, 1997.