Skolastika Indira Cipta Putri, author
Sekolah Kajian Stratejik dan Global Universitas Indonesia, 2020
UI - Tesis (Membership)
Trewin, J.C.
Longmans , 1951
Buku Teks
Nannes, Caspar H,
The Catholic University, 1960
Buku Teks
Fitzpatrick, Peter, author
Edward Arnold, 1979
Buku Teks
Weales, Gerald Clifford, 1925-, author
Macmillan, 1969
Buku Teks