The Longman writer's biblede Christopher M. AnsonMateriasReport writingRhetoricGrammarEnglish languageHandbooks, manualsResearchEdiciones (1)The Longman writer's bible (2006)inglésMás obras de Christopher M. AnsonThe Longman handbook for writers and readers1998Writing incontext1988TThe Longman pocket writer's companionThe Longman pocket writer's companion