Bourke, K., & Maris, A. (2006). Grammar for FCE: Upper - Intermediate. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoBourke, Kenna, và Amanda Maris. Grammar for FCE: Upper - Intermediate. Oxford: Oxford Univ. Press, 2006.
Deismireacht MLABourke, Kenna, và Amanda Maris. Grammar for FCE: Upper - Intermediate. Oxford: Oxford Univ. Press, 2006.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.