Thomasine K. Kushner, David C. Thomasma
Cambridge University Press, 2001
Buku Teks
Hill, L.A.
Longmans, Green and Co., 1959
Buku Teks
Routledge, 1997
Buku Teks
University of Leeds, 1994
Buku Referensi
Pratiwi Anindita Adji, author
2018
UI - Tesis (Membership)