APA (7 वां संस्करण) प्रशस्ति पत्र

(2010). Flash Eurobarometer. Off. for Official Publ. of the Europ. Communities.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Flash Eurobarometer. Luxembourg: Off. for Official Publ. of the Europ. Communities, 2010.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Flash Eurobarometer. Off. for Official Publ. of the Europ. Communities, 2010.