Headway: Elementary & Pre- Intermediate.
Trích dẫn kiểu ChicagoHeadway: Elementary & Pre- Intermediate.
Deismireacht MLAHeadway: Elementary & Pre- Intermediate.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.
Deismireacht APA