एपीए उद्धरण

Ray, G. F. (1975). Western Europe and the energy crisi. London: Trade Policy Research Centre.

शिकागो स्टाइल उद्धरण

Ray, George F. Western Europe and the Energy Crisi. London: Trade Policy Research Centre, 1975.

एमएलए उद्धरण

Ray, George F. Western Europe and the Energy Crisi. London: Trade Policy Research Centre, 1975.