by Deborah Cameron [and others]
Routledge, 1992
Buku Teks
Evi Fitriani, author
2017
UI - Makalah dan Kertas Kerja
Mason, Jennifer, author
Sage, 2009
Buku Teks
Jonathan Bradshaw and Roy Sainsbury, editors
Routledge, Taylor & Francis Group, 2019
Buku Teks
Hatim, Basil, author
Pearson Education , 2001
Buku Teks