edited by Jahan Ramazani
Cambridge University Press, 2017
Buku Teks SO
Astrina Nadia Wandasari
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2013
UI - Makalah dan Kertas Kerja
Arief Widya Budiman
2016
UI - Makalah dan Kertas Kerja
edited by Elleke Boehmer and Stephen Morton
Wiley Blackwell, 2015
Buku Teks SO
Shirley Chew, David Richards
West Sussex John Wiley & Sons Inc., 2014
Buku Teks SO