(1992). Holland quality. Hà Nội.
Trích dẫn kiểu ChicagoHolland Quality. Hà Nội, 1992.
Deismireacht MLAHolland Quality. Hà Nội, 1992.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.
(1992). Holland quality. Hà Nội.
Trích dẫn kiểu ChicagoHolland Quality. Hà Nội, 1992.
Deismireacht MLAHolland Quality. Hà Nội, 1992.