Thomas, B., & Barbara Thomas; Louise Hashemi; Laura Matthews. (2015). Grammar and vocabulary for first and first for schools: With answers. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoThomas, Barbara, và Barbara Thomas; Louise Hashemi; Laura Matthews. Grammar and Vocabulary for First and First for Schools: With Answers. Cambridge: Cambridge University Press, 2015.
Deismireacht MLAThomas, Barbara, và Barbara Thomas; Louise Hashemi; Laura Matthews. Grammar and Vocabulary for First and First for Schools: With Answers. Cambridge: Cambridge University Press, 2015.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.