self study reference and practice for students of English Self-Study Reference and Practice for Students of English Reference and Practice for Students of English a self-study reference and practice book for intermediate students of English Basic grammar in use ::self-study reference and practice for students of English / Basic Grammar in Use:Reference and Practice for Students of English A reference grammar for students of English A self-study reference and practice book for advanced learners of English ; with answers A Self-Study Reference and practice Book for Advanced Learners English grammar in use:a self-study reference and practice book for intermediate students of English