Function of language as found in economical news
 Artikel Jurnal
Working with texts : a core for language analysis
by Ronald Carter ... [et al.]
Routledge, 1997
 Buku Teks SO
Weisser, Martin
Practical corpus linguistics : an introduction to corpus-based language analysis
MA Wiley Blackwell, 2016
 Buku Teks
Motives for language change
edited by Raymond Hickey
Cambridge University Press, 2004
 eBooks
Hjelmslev, Louis
Language; an introduction / Louis Hjelmslev Translated from the Danish by Francis J. Whitfield.
University of Wisconsin Press, 1970
 Buku Teks