Ross, I. (1959). The image of merchants: The fabulous world of public relations. Garden City, N.Y: Doubleday.
Dyfyniad Arddull ChicagoRoss, Irwin. The Image of Merchants: The Fabulous World of Public Relations. Garden City, N.Y: Doubleday, 1959.
Dyfyniad MLARoss, Irwin. The Image of Merchants: The Fabulous World of Public Relations. Garden City, N.Y: Doubleday, 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.