The houghton mifflin: brief accounting dictionary
Houghton Miffin, 2000
 Buku Referensi
Folse, Keith S.
Intermediate reading practices building reading and vocabulary skills
Binarupa Aksara Press , 1993
 Buku Teks SO
Vocabulary Acquisition : implications for reading comprehension
edited by Richard K. Wagner
Guilford Press, 2007
 Buku Teks
Kim, Jong-hack
A study on the basic vocabulary in Korean language
Bok-ijoena, 2001
 Buku Teks
Cullen, Pauline
Cambridge vocabulary for ielts with answers : self-study vocabulary practice
Cambridge university press, 2010
 Buku Teks SO