Rosen, Andrew S., author
Kaplan, 2011
Buku Teks
Aris Ananta, Muljana Soekarni, Sjamsul Arifin, editor
ISEAS, 2011
Buku Teks
UNESCO, 1962
Buku Teks
Vita Puji Lestari, author
2014
UI - Skripsi (Membership)
Universitas Indonesia, 1990
UI - Skripsi (Membership)