Ryans, J. K. (1990). Marketing Strategies for the New Europe: A North American perspective on 1992. USA: American Marketing Association.
Trích dẫn kiểu ChicagoRyans, John K. Marketing Strategies for the New Europe: A North American Perspective On 1992. USA: American Marketing Association, 1990.
Deismireacht MLARyans, John K. Marketing Strategies for the New Europe: A North American Perspective On 1992. USA: American Marketing Association, 1990.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.