Bridges, William
Addison-Wesley , 1980
Buku Teks SO
Erna R. Abdurrivai
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1971
UI - Skripsi Membership
guest-edited by Richard Patterson
Wiley-Academy, 2000
Buku Teks SO
Ikeda, Daisaku, 1928-
Middleway Press, 2000
Buku Teks SO
Belle, Carl Vadivella
Institute of South East Asia Studies, 2015
eBooks