MCK/S & McKenzie-Mohr, D. (2012). Social marketing to protect the environment: What works. Sage.
Chicago Style aipamenaMCK/S and Doug McKenzie-Mohr. Social Marketing to Protect the Environment: What Works. Thousand Oaks: Sage, 2012.
MLA aipamenaMCK/S and Doug McKenzie-Mohr. Social Marketing to Protect the Environment: What Works. Sage, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.