Maria Christa Istiana Kamagi
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2012
UI - Skripsi (Open)
Lyons, John
Cambridge University Press, 1968
eBooks
Cambridge University Press , 1989
Buku Teks
Cambridge University Press, 2009
eBooks
Gert Webelhuth edited by
Blackwell, 1995
Buku Teks