Bouman, H., author
Gronigen, 1949
Buku Teks
Romein, Jan, author
E.J. Brill, 1956
Buku Klasik
Fransiskus X. Supiarso, author
Universitas Indonesia, 2006
UI - Tesis (Membership)
Tickner, Fred
State University of New York , 1966
Buku Teks
The Si-sa-yong-o-sa Publishers, 1982
Buku Teks