Nannes, Caspar H,
The Catholic University, 1960
Buku Teks
Weales, Gerald Clifford, 1925-, author
Macmillan, 1969
Buku Teks
edited by Brian Docherty
Macmillan, 1994
Buku Teks
Hilmi, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Tesis (Membership)
Wisnu Surya Pratama, author
Universitas Indonesia, 2002
UI - Skripsi (Membership)