Kim, Ji Sun
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2014
UI - Makalah dan Kertas Kerja
Crystal, David, 1941-
Cambridge University Press, 2006
eBooks
Bloomfield, Leonard
Holt, Rinehart and Winston, 1961
Buku Teks SO
edited by Simon Garrod and Martin Pickering
Psychology Press, 1999
Buku Teks SO
Chomsky, Noam
Cambridge University Press, 2007
Buku Teks SO