Some challenges for advertising.

Manylion Llyfryddiaeth
Awdur Corfforaethol: American Academy of Advertising
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Urbana, Illinois Department of Advertising, University of Illinois c1966.
Cyfres:Occasional papers in advertising v.1 no.2 May 1966
Pynciau: