एपीए उद्धरण

Allen, R. C. (2011). Global economic history. Oxford University Press.

शिकागो स्टाइल उद्धरण

Allen, Robert C. Global Economic History. Oxford ; New York: Oxford University Press, 2011.

एमएलए उद्धरण

Allen, Robert C. Global Economic History. Oxford University Press, 2011.