Davar , R. (1989). Salesmanship and publicity (16.). Progressive Corp.
Dyfyniad Arddull ChicagoDavar , Rustom. Salesmanship and Publicity. 16. Mumbai: Progressive Corp, 1989.
Dyfyniad MLADavar , Rustom. Salesmanship and Publicity. 16. Progressive Corp, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.