Danig, F. (1984). Advertising age. I.N.M.
Dyfyniad Arddull ChicagoDanig, Fred. Advertising Age. New YOrk: I.N.M, 1984.
Dyfyniad MLADanig, Fred. Advertising Age. I.N.M, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Danig, F. (1984). Advertising age. I.N.M.
Dyfyniad Arddull ChicagoDanig, Fred. Advertising Age. New YOrk: I.N.M, 1984.
Dyfyniad MLADanig, Fred. Advertising Age. I.N.M, 1984.