Hastings Gerard. (2018). Social Marketing: Rebels with a Cause (3rd.). Routledge.
Chicago Style aipamenaHastings Gerard. Social Marketing: Rebels with a Cause. 3rd. Routledge, 2018.
MLA aipamenaHastings Gerard. Social Marketing: Rebels with a Cause. 3rd. Routledge, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.