Harrison, M. (2014). Cambridge English first practice tests with key (Five tests for the Cambridge English: First exam). Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoHarrison, Mark. Cambridge English First Practice Tests With Key (Five Tests for the Cambridge English: First Exam). Oxford: Oxford University Press, 2014.
Deismireacht MLAHarrison, Mark. Cambridge English First Practice Tests With Key (Five Tests for the Cambridge English: First Exam). Oxford: Oxford University Press, 2014.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.