Research perspectives on english for academic purposes
John Flowerdew, Matthew Peacock
Cambridge University Press, 2001
 Buku Teks SO
Grace Josephine Tiwon Wiradisastra
English for academic purposes : PDPT University of Indonesia
UI-Press, 2006
 Buku Teks SO
Sellen, Derek
Skills in action : english language techniques for the JMB test and other academic purposes
Hulton Educational Publications, 1982
 Buku Teks SO
Hasibuan, Sofia
English for specific purposes : economics
Gramedia, 1986
 Buku Teks
Rangkuti-Hasibuan, Sofia
English for specific purposes : medicine
Gramedia, 1986
 Buku Teks