Kesalahan-kesalahan yang sering terjadi dalam penggunaan bahasa Inggris
A concise introduction to English morphology and syntax
English from Radio Australia : Bahasa Inggris lewat radio Australia
Complete and comprehensive english grammar:cara cepat menguasai english grammar
Ujian dan pembahasab TOEFL : structure and written expression
Essential linguistics : what you need to know to teach reading, ESL, spelling, phonics, and grammar
Tenses vocabulary and conversation for nursing
IELTS killer : cara pasti mendapat skor IELTS 7.0
A Handbooks with practice : beginning English writing skills
English skills with readings