Webster, F. E. (1974). Social aspects of marketing. Prentice-Hall Inc.
Dyfyniad Arddull ChicagoWebster, Frederick E. Social Aspects of Marketing. New Jersey: Prentice-Hall Inc, 1974.
Dyfyniad MLAWebster, Frederick E. Social Aspects of Marketing. Prentice-Hall Inc, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.