初版刊行30周年を迎えた社会言語学分野で随一の著名テキスト。This sixth edition has been revised and updated throughout, using key concepts and examples to guide the reader through this fascinating area, including: New material on gender, social media and online use of language, code-switching, and language policy; An updated companion website that is fully cross-referenced within this book and featuring video and audio materials and links to useful websites.