McKay, Elizabeth Anne, editor; Christine Craik, editor; Kee, Hean Lim, editor; Gabrielle Richards, editor
Blackwell , 2008
Buku Teks
Tubbs, Carol Crellin, author
Slack Incorporated, 2012
Buku Teks
Thania Melati Putri1, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2020
UI - Tugas Akhir
Edited by Amnita Atwal, Anne Mclntyre
Wiley-Blackwell, 2013
Buku Teks
Sylvestre, John, author
Oxford University Press, 2017
eBooks