LANGUAGE IN SOCIETY AN INTRODUCTION TO SOCIOLINGUISTICS
SUZANNE ROMAINE2000 年出版268 页ISBN：
The Cambridge Encyclopedia of the English Language
David Crystal1997 年出版489 页ISBN：
LANGUAGE ACQUISITION ACROSS LINGUISTIC AND COGNITIVE SYSTEMS
MICHELE KAIL2010 年出版332 页ISBN：
HANDBOOK OF FOREIGN LANGUAGE COMMUNICATION AND LEARNING
KARLFRIED KNAPP2009 年出版730 页ISBN：
CURRENTS OF CHANGE IN ENGLISH LANGUAGE TEACHING
RICHARD TOSSNER1990 年出版268 页ISBN：
