English grammar and usage
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Biber D, Johansson S, Leech GN, et al. Longman grammar of spoken and written English. Pearson Education; 1999.
Burchfield RW. Fowler's modern English usage. 3rd ed. Oxford University Press; 2004.
Cutts M. Oxford guide to plain English. Oxford University Press; 2004.
Faulkner CW. Writing good sentences. A functional approach to sentence structure, grammar, and punctuation. 3rd ed. Macmillan; 1981.
Firsten R, Killian P. The ELT grammar book. A teacher-friendly reference guide. Alta Book Centre Publishers; 2002.
Gowers E, Greenbaum S, Whitcut J. The complete plain words. 3rd ed. Penguin; 2004.
Hicks W. English for journalists. 3rd ed. Routledge; 2006.
Quirk R, Crystal D. A comprehensive grammar of the English language. Pearson Longman; 1985.