Departemen Luar Negeri RI
Department of Foreign Affairs, Republic of Indonesia, 1961-1962
Buku Teks
Dalton, Bill, author
California Moon Publications , 1991
Buku Referensi
Gonda, J. (Jan), 1905-1991, author
International Academy of Indian Culture, 1952
Buku Referensi
Universitas Indonesia
Depok, UI Press
Buku Referensi
Soegih Arto,
Times Books International, 1994
Buku Teks