Pragita Riyani, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1992
UI - Skripsi (Membership)
revised by J.R.V. Marchant and Joseph F. Charles
Cassell, 1952
Buku Referensi
Follet Publishing , 1961
Buku Referensi
Marchant, James Robert Vernam, 1853-1936, editor
New York Funk & Wagnalls [t.th.]
Buku Teks
edited by Eduardo P. Archetti
MacMillan Education, 1987
Buku Teks