SECOND LANGUAGE ACQUISITION AND LINGUISTIC VARIATION
ROBERT BAYLEY AND DENNIS R. PRESTON1996 年出版318 页ISBN：9027241163
SECOND LANGUAGE RESEARCH METHODOLOGY AND DESIGN
ALISON MACKEY AND SUSAN M.GASS2005 年出版405 页ISBN：0805842497
LANGUAGE AND LEARNING:THE HOME AND SCHOOL YEARS SECOND EDITON
TERRY R.IPER1998 年出版355 页ISBN：0138639035
WORLD LINK DEVELOPING ENGLISH FLUENCY VIDEO COURSE TEACHER'SGUIDE SECOND EDITION
STEMPLESKI2013 年出版104 页ISBN：7544633642
VEGETATION-CLIMATE INTERACTION HOW PLANTS MAKE THE GLOBAL ENVIRONMENT SECOND EDITION
JONATHAN ADAMS2010 年出版266 页ISBN：
