Mollison, John, author
Cambridge University Press, 2013
Buku Teks
Crockett, James Underwood, author
Time-Life Books, 1972
Buku Referensi
Agung Erwan Setyobudi, author
Universitas Indonesia, 2007
UI - Tesis (Membership)
Lavelle, Christine, author
Southwater, 2010
Buku Teks
FOG City Press, 2000
Buku Teks