Donovan, R. (2010). Principles and Practice of Social Marketing. Cambridge University Press.
Dyfyniad Arddull ChicagoDonovan, Rob. Principles and Practice of Social Marketing. New Delhi: Cambridge University Press, 2010.
Dyfyniad MLADonovan, Rob. Principles and Practice of Social Marketing. Cambridge University Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.