APA aipamena

(2013). UEG Week Berlin 2013 award winners. SAGE Publications.

Chicago Style aipamena

UEG Week Berlin 2013 Award Winners. SAGE Publications, 2013.

MLA aipamena

UEG Week Berlin 2013 Award Winners. SAGE Publications, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.