APA aipamena

(2005). Encyclopedia of public relationsVol. 1Robert L. Heath (Ed.). Sage Publications.

Chicago Style aipamena

Encyclopedia of Public RelationsVol. 1Robert L. Heath (Ed.). Sage Publications, 2005.

MLA aipamena

Encyclopedia of Public RelationsVol. 1Robert L. Heath (Ed.). Sage Publications, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.