Tarone, Elaine
Focus on the language learner : approaches to identifying and meeting the needs of second language learners
Oxford University Press, 1991
Buku Teks SO
Error analysis : perspectives on second language acquisition
edited by Jack C. Richards
Longman, 1974
Buku Teks
A brief analysis of vocabulary teaching in teaching Chinese as a second language
Artikel Jurnal
Cook, Vivian
Second language learning and language teaching
Edward Arnold, 2001
Buku Teks
Hankes, Elmer Joseph
A universal second language
Hankes Foundation, 1992
Buku Teks SO