Thomas, B., & Barbara Thomas; Louise Hashemi; Laura Matthews. (2015). Grammar and vocabulary for first and first for schools: With answers. Cambridge: Cambridge University Press.
শিকাগো স্টাইলে সাইটেশনThomas, Barbara, এবং Barbara Thomas; Louise Hashemi; Laura Matthews. Grammar and Vocabulary for First and First for Schools: With Answers. Cambridge: Cambridge University Press, 2015.
এমএলএ সাইটেশনThomas, Barbara, এবং Barbara Thomas; Louise Hashemi; Laura Matthews. Grammar and Vocabulary for First and First for Schools: With Answers. Cambridge: Cambridge University Press, 2015.
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