Martin
1992
UI - Tesis (Membership)
Anggraeni Pratomo Putri, author
2016
UI - Skripsi (Membership)
Lili Diliana, author
Program Pascasarjana Universitas Indonesia, 2009
UI - Tesis (Open)
Tri Izma Widyaningrum, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Skripsi (Membership)
Roberts, Margaret
Hutchinson & Co (Publisher) LTD, 1974
Buku Teks