IRAL: International Review of Applied Linguistics in Language Teaching
Julius Groos Verlag, {s.a}
 Majalah, Jurnal, Buletin
Second Language Research
Norwich : Edward Arnold, The educationl, academic and medical publishing
 Majalah, Jurnal, Buletin
Foreign Language Annals
New York : The American Council on the Teaching of Foreign Language Inc
 Majalah, Jurnal, Buletin
Lu, Shuxiang
Yufa yanjiu rumen [et all]
Beijing Shangwu Yinshuguan 2000
 Buku Teks
Donald Freeman and Jack C. Richardsand
Teacher learning in language teaching
Cambridge Cambridge University Press 1996
 Buku Teks