Oxford Advanced Learner's Dictionary: Paperback + Premium Online。Oxford Advanced Learner's Dictionary 5th Edition: Varios Autores。Oxford American Dictionary for learners of English: Varios Autores。Amazon.com: Oxford Elementary Learner's Dictionary: 9780194312752。。Oxford Learner's Dictionary of Academic English: Helps students learn the language they need to write academic English, whatever their chosen subjectThe Oxford Learner's Dictionary of Academic English is designed for learners studying, or preparing to study, academic subjects on English-medium university courses. It is the only learner's dictionary to focus exclusively on academic English.