Gist, R. R. (1974). Marketing and society (2nd ed.). Dryden.
Dyfyniad Arddull ChicagoGist, Ronald R. Marketing and Society. 2nd ed. Illinois: Dryden, 1974.
Dyfyniad MLAGist, Ronald R. Marketing and Society. 2nd ed. Dryden, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.