Không rõ. (2001). Target Markets. Youth PublishingHouse.
Trích dẫn kiểu ChicagoKhông rõ. Target Markets. Youth PublishingHouse, 2001.
Deismireacht MLAKhông rõ. Target Markets. Youth PublishingHouse, 2001.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.