Thomas, B., & Barbara Thomas; Louise Hashemi; Laura Matthews. (2015). Grammar and vocabulary for first and first for schools: With answers. Cambridge: Cambridge University Press.
Styl cytowania ChicagoThomas, Barbara, i Barbara Thomas; Louise Hashemi; Laura Matthews. Grammar and Vocabulary for First and First for Schools: With Answers. Cambridge: Cambridge University Press, 2015.
Styl cytowania MLAThomas, Barbara, i Barbara Thomas; Louise Hashemi; Laura Matthews. Grammar and Vocabulary for First and First for Schools: With Answers. Cambridge: Cambridge University Press, 2015.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..